[maven-release-plugin] prepare for next development iteration
diff --git a/pom.xml b/pom.xml
index edf649f..4f3cfa3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.apache.taverna.engine</groupId>
     <artifactId>apache-taverna-engine</artifactId>
-    <version>3.1.0-incubating</version>
+    <version>3.1.0-incubating-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Apache Taverna Engine and Platform</name>
 
@@ -129,7 +129,7 @@
         <connection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-taverna-engine.git</connection>
         <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-taverna-engine.git</developerConnection>
         <url>https://github.com/apache/incubator-taverna-engine</url>
-        <tag>3.1.0-incubating-RC1</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <repositories>
diff --git a/taverna-activity-archetype/pom.xml b/taverna-activity-archetype/pom.xml
index 5dda2c9..e142419 100644
--- a/taverna-activity-archetype/pom.xml
+++ b/taverna-activity-archetype/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.taverna.engine</groupId>
         <artifactId>apache-taverna-engine</artifactId>
-        <version>3.1.0-incubating</version>
+        <version>3.1.0-incubating-SNAPSHOT</version>
     </parent>
     <artifactId>taverna-activity-archetype</artifactId>
     <packaging>maven-archetype</packaging>
diff --git a/taverna-activity-test-utils/pom.xml b/taverna-activity-test-utils/pom.xml
index f94d036..5d34f54 100644
--- a/taverna-activity-test-utils/pom.xml
+++ b/taverna-activity-test-utils/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-activity-test-utils</artifactId>
 	<name>Apache Taverna Activity test utils</name>
diff --git a/taverna-capability-api/pom.xml b/taverna-capability-api/pom.xml
index 739c9ff..ed2ceba 100644
--- a/taverna-capability-api/pom.xml
+++ b/taverna-capability-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-capability-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-capability-impl/pom.xml b/taverna-capability-impl/pom.xml
index c8107bf..8c08d2e 100644
--- a/taverna-capability-impl/pom.xml
+++ b/taverna-capability-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-capability-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-credential-manager-api/pom.xml b/taverna-credential-manager-api/pom.xml
index 16caf45..5127f80 100644
--- a/taverna-credential-manager-api/pom.xml
+++ b/taverna-credential-manager-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
     <groupId>org.apache.taverna.engine</groupId>
     <artifactId>apache-taverna-engine</artifactId>
-    <version>3.1.0-incubating</version>
+    <version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-credential-manager-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-credential-manager-impl/pom.xml b/taverna-credential-manager-impl/pom.xml
index 5b01a41..3f200e7 100644
--- a/taverna-credential-manager-impl/pom.xml
+++ b/taverna-credential-manager-impl/pom.xml
@@ -23,7 +23,7 @@
 	<parent>
     <groupId>org.apache.taverna.engine</groupId>
     <artifactId>apache-taverna-engine</artifactId>
-    <version>3.1.0-incubating</version>
+    <version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-credential-manager-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-database-configuration-api/pom.xml b/taverna-database-configuration-api/pom.xml
index 12bb74c..fcaaade 100644
--- a/taverna-database-configuration-api/pom.xml
+++ b/taverna-database-configuration-api/pom.xml
@@ -22,7 +22,7 @@
     <parent>
 			<groupId>org.apache.taverna.engine</groupId>
 			<artifactId>apache-taverna-engine</artifactId>
-			<version>3.1.0-incubating</version>
+			<version>3.1.0-incubating-SNAPSHOT</version>
     </parent>
 	<artifactId>taverna-database-configuration-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-database-configuration-impl/pom.xml b/taverna-database-configuration-impl/pom.xml
index 8ae16bc..510ca11 100644
--- a/taverna-database-configuration-impl/pom.xml
+++ b/taverna-database-configuration-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-database-configuration-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-dataflow-activity/pom.xml b/taverna-dataflow-activity/pom.xml
index 1e8a6e0..ce181da 100644
--- a/taverna-dataflow-activity/pom.xml
+++ b/taverna-dataflow-activity/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-dataflow-activity</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-execution-api/pom.xml b/taverna-execution-api/pom.xml
index 37d4d8f..901c1cd 100644
--- a/taverna-execution-api/pom.xml
+++ b/taverna-execution-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-execution-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-execution-hadoop/pom.xml b/taverna-execution-hadoop/pom.xml
index 272f93a..580efad 100644
--- a/taverna-execution-hadoop/pom.xml
+++ b/taverna-execution-hadoop/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-execution-hadoop</artifactId>
 	<name>Apache Taverna Hadoop Workflow Execution Service</name>
diff --git a/taverna-execution-impl/pom.xml b/taverna-execution-impl/pom.xml
index 264de62..75cb4da 100644
--- a/taverna-execution-impl/pom.xml
+++ b/taverna-execution-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-execution-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-execution-local/pom.xml b/taverna-execution-local/pom.xml
index e4eb877..1965752 100644
--- a/taverna-execution-local/pom.xml
+++ b/taverna-execution-local/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-execution-local</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-execution-remote/pom.xml b/taverna-execution-remote/pom.xml
index ee733ed..a08a334 100644
--- a/taverna-execution-remote/pom.xml
+++ b/taverna-execution-remote/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-execution-remote</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-observer/pom.xml b/taverna-observer/pom.xml
index 83310a3..e077230 100644
--- a/taverna-observer/pom.xml
+++ b/taverna-observer/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-observer</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-reference-api/pom.xml b/taverna-reference-api/pom.xml
index bb966d5..04e4aa6 100644
--- a/taverna-reference-api/pom.xml
+++ b/taverna-reference-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-reference-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-reference-impl/pom.xml b/taverna-reference-impl/pom.xml
index 7408144..1124342 100644
--- a/taverna-reference-impl/pom.xml
+++ b/taverna-reference-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-reference-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-reference-testhelpers/pom.xml b/taverna-reference-testhelpers/pom.xml
index 96bc6c8..a980e27 100644
--- a/taverna-reference-testhelpers/pom.xml
+++ b/taverna-reference-testhelpers/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-reference-testhelpers</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-reference-types/pom.xml b/taverna-reference-types/pom.xml
index f6b2e38..75b20b4 100644
--- a/taverna-reference-types/pom.xml
+++ b/taverna-reference-types/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-reference-types</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-report-api/pom.xml b/taverna-report-api/pom.xml
index eee024e..601dd03 100644
--- a/taverna-report-api/pom.xml
+++ b/taverna-report-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-report-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-run-api/pom.xml b/taverna-run-api/pom.xml
index 6d7becd..55a28c1 100644
--- a/taverna-run-api/pom.xml
+++ b/taverna-run-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-run-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-run-impl/pom.xml b/taverna-run-impl/pom.xml
index 925ce61..d6534ed 100644
--- a/taverna-run-impl/pom.xml
+++ b/taverna-run-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-run-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-services-api/pom.xml b/taverna-services-api/pom.xml
index 5b79fd7..c266ada 100644
--- a/taverna-services-api/pom.xml
+++ b/taverna-services-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-services-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-services-impl/pom.xml b/taverna-services-impl/pom.xml
index 610f538..6b8ba13 100644
--- a/taverna-services-impl/pom.xml
+++ b/taverna-services-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-services-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-stringconstant-activity/pom.xml b/taverna-stringconstant-activity/pom.xml
index c23045d..a0c1591 100644
--- a/taverna-stringconstant-activity/pom.xml
+++ b/taverna-stringconstant-activity/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-stringconstant-activity</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-workflowmodel-api/pom.xml b/taverna-workflowmodel-api/pom.xml
index bd3bc5d..e77bac2 100644
--- a/taverna-workflowmodel-api/pom.xml
+++ b/taverna-workflowmodel-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-workflowmodel-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-workflowmodel-extensions/pom.xml b/taverna-workflowmodel-extensions/pom.xml
index afbba1d..e3ed59b 100644
--- a/taverna-workflowmodel-extensions/pom.xml
+++ b/taverna-workflowmodel-extensions/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-workflowmodel-extensions</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-workflowmodel-impl/pom.xml b/taverna-workflowmodel-impl/pom.xml
index cb95f1c..7113b2e 100644
--- a/taverna-workflowmodel-impl/pom.xml
+++ b/taverna-workflowmodel-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating</version>
+		<version>3.1.0-incubating-SNAPSHOT</version>
 	</parent>
 	<artifactId>taverna-workflowmodel-impl</artifactId>
 	<packaging>bundle</packaging>