Revert "[maven-release-plugin] prepare release v0.13.0-incubating"

This reverts commit ae63ce233eb4b34eed03208322f17da941dee0f3.
diff --git a/pom.xml b/pom.xml
index 3eecde7..2a8c8a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
   <groupId>org.apache.tephra</groupId>
   <artifactId>tephra</artifactId>
-  <version>0.13.0-incubating</version>
+  <version>0.13.0-incubating-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>Apache Tephra</name>
   <description>
@@ -166,7 +166,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-tephra.git</connection>
     <url>https://git-wip-us.apache.org/repos/asf?p=incubator-tephra.git;a=summary</url>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-tephra.git</developerConnection>
-    <tag>v0.13.0-incubating</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <issueManagement>
diff --git a/tephra-api/pom.xml b/tephra-api/pom.xml
index 1d0cbe6..c4dbc42 100644
--- a/tephra-api/pom.xml
+++ b/tephra-api/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
 
   <artifactId>tephra-api</artifactId>
diff --git a/tephra-core/pom.xml b/tephra-core/pom.xml
index 6d70d7f..636e3d2 100644
--- a/tephra-core/pom.xml
+++ b/tephra-core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-distribution/pom.xml b/tephra-distribution/pom.xml
index b7e4920..8ad5954 100644
--- a/tephra-distribution/pom.xml
+++ b/tephra-distribution/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   
   <artifactId>tephra-distribution</artifactId>
diff --git a/tephra-examples/cdh-5.7/pom.xml b/tephra-examples/cdh-5.7/pom.xml
index 1dead1a..abd3972 100644
--- a/tephra-examples/cdh-5.7/pom.xml
+++ b/tephra-examples/cdh-5.7/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra-examples</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/cdh-5.8/pom.xml b/tephra-examples/cdh-5.8/pom.xml
index 8ca3be4..2c932c5 100644
--- a/tephra-examples/cdh-5.8/pom.xml
+++ b/tephra-examples/cdh-5.8/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>tephra-examples</artifactId>
     <groupId>org.apache.tephra</groupId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/hbase-0.96/pom.xml b/tephra-examples/hbase-0.96/pom.xml
index e400112..06cb992 100644
--- a/tephra-examples/hbase-0.96/pom.xml
+++ b/tephra-examples/hbase-0.96/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>tephra-examples</artifactId>
     <groupId>org.apache.tephra</groupId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/hbase-0.98/pom.xml b/tephra-examples/hbase-0.98/pom.xml
index d50f5a9..0f95ee0 100644
--- a/tephra-examples/hbase-0.98/pom.xml
+++ b/tephra-examples/hbase-0.98/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>tephra-examples</artifactId>
     <groupId>org.apache.tephra</groupId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/hbase-1.0-cdh/pom.xml b/tephra-examples/hbase-1.0-cdh/pom.xml
index 503a4da..796145c 100644
--- a/tephra-examples/hbase-1.0-cdh/pom.xml
+++ b/tephra-examples/hbase-1.0-cdh/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>tephra-examples</artifactId>
     <groupId>org.apache.tephra</groupId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/hbase-1.0/pom.xml b/tephra-examples/hbase-1.0/pom.xml
index 1a700c3..fb922a9 100644
--- a/tephra-examples/hbase-1.0/pom.xml
+++ b/tephra-examples/hbase-1.0/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>tephra-examples</artifactId>
     <groupId>org.apache.tephra</groupId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/hbase-1.1/pom.xml b/tephra-examples/hbase-1.1/pom.xml
index 672d7e8..c994e50 100644
--- a/tephra-examples/hbase-1.1/pom.xml
+++ b/tephra-examples/hbase-1.1/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra-examples</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/hbase-1.2/pom.xml b/tephra-examples/hbase-1.2/pom.xml
index 8053abc..f68a5e7 100644
--- a/tephra-examples/hbase-1.2/pom.xml
+++ b/tephra-examples/hbase-1.2/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra-examples</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/hbase-1.3/pom.xml b/tephra-examples/hbase-1.3/pom.xml
index 3ddd961..aa9d31b 100644
--- a/tephra-examples/hbase-1.3/pom.xml
+++ b/tephra-examples/hbase-1.3/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra-examples</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-examples/pom.xml b/tephra-examples/pom.xml
index daee19a..03c99c0 100644
--- a/tephra-examples/pom.xml
+++ b/tephra-examples/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-hbase-compat-0.96/pom.xml b/tephra-hbase-compat-0.96/pom.xml
index eb56da1..7f79f6f 100644
--- a/tephra-hbase-compat-0.96/pom.xml
+++ b/tephra-hbase-compat-0.96/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-hbase-compat-0.98/pom.xml b/tephra-hbase-compat-0.98/pom.xml
index 8e18947..7960480 100644
--- a/tephra-hbase-compat-0.98/pom.xml
+++ b/tephra-hbase-compat-0.98/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-hbase-compat-1.0-cdh/pom.xml b/tephra-hbase-compat-1.0-cdh/pom.xml
index ece9f87..7b8ed7e 100644
--- a/tephra-hbase-compat-1.0-cdh/pom.xml
+++ b/tephra-hbase-compat-1.0-cdh/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-hbase-compat-1.0/pom.xml b/tephra-hbase-compat-1.0/pom.xml
index 7e3b377..360be84 100644
--- a/tephra-hbase-compat-1.0/pom.xml
+++ b/tephra-hbase-compat-1.0/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-hbase-compat-1.1-base/pom.xml b/tephra-hbase-compat-1.1-base/pom.xml
index 71ce0a3..8b9a20b 100644
--- a/tephra-hbase-compat-1.1-base/pom.xml
+++ b/tephra-hbase-compat-1.1-base/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.1/pom.xml b/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.1/pom.xml
index 39b8663..b9eabe4 100644
--- a/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.1/pom.xml
+++ b/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.1/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra-hbase-compat-1.1-base</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.2-cdh/pom.xml b/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.2-cdh/pom.xml
index be3229d..6eed4d9 100644
--- a/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.2-cdh/pom.xml
+++ b/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.2-cdh/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra-hbase-compat-1.1-base</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.2/pom.xml b/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.2/pom.xml
index 5262abb..27e7ce9 100644
--- a/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.2/pom.xml
+++ b/tephra-hbase-compat-1.1-base/tephra-hbase-compat-1.2/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra-hbase-compat-1.1-base</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/tephra-hbase-compat-1.3/pom.xml b/tephra-hbase-compat-1.3/pom.xml
index d95030b..ef651a7 100644
--- a/tephra-hbase-compat-1.3/pom.xml
+++ b/tephra-hbase-compat-1.3/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.tephra</groupId>
     <artifactId>tephra</artifactId>
-    <version>0.13.0-incubating</version>
+    <version>0.13.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>