[maven-release-plugin] prepare for next development iteration

pom.xml

diff --git a/pom.xml b/pom.xml
index ff55f01..7e0cd24 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
     </parent>
 
     <artifactId>struts-archetypes</artifactId>
-    <version>2.5.14</version>
+    <version>2.5.15-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Struts 2 Maven Archetypes</name>
 
@@ -38,7 +38,7 @@
         <connection>scm:git:https://gitbox.apache.org/struts-archetypes.git</connection>
         <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/struts-archetypes.git</developerConnection>
         <url>https://github.com/apache/struts-archetypes.git</url>
-        <tag>STRUTS_ARCHETYPES_2_5_14</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <issueManagement>

struts2-archetype-angularjs/pom.xml

diff --git a/struts2-archetype-angularjs/pom.xml b/struts2-archetype-angularjs/pom.xml
index 9c84b4e..beccc44 100644
--- a/struts2-archetype-angularjs/pom.xml
+++ b/struts2-archetype-angularjs/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts-archetypes</artifactId>
-        <version>2.5.14</version>
+        <version>2.5.15-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>

struts2-archetype-blank/pom.xml

diff --git a/struts2-archetype-blank/pom.xml b/struts2-archetype-blank/pom.xml
index d018321..ff9b755 100644
--- a/struts2-archetype-blank/pom.xml
+++ b/struts2-archetype-blank/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts-archetypes</artifactId>
-        <version>2.5.14</version>
+        <version>2.5.15-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>

struts2-archetype-convention/pom.xml

diff --git a/struts2-archetype-convention/pom.xml b/struts2-archetype-convention/pom.xml
index a27de87..2ab7ee1 100644
--- a/struts2-archetype-convention/pom.xml
+++ b/struts2-archetype-convention/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts-archetypes</artifactId>
-        <version>2.5.14</version>
+        <version>2.5.15-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>

struts2-archetype-dbportlet/pom.xml

diff --git a/struts2-archetype-dbportlet/pom.xml b/struts2-archetype-dbportlet/pom.xml
index afee0ac..21f7933 100644
--- a/struts2-archetype-dbportlet/pom.xml
+++ b/struts2-archetype-dbportlet/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts-archetypes</artifactId>
-        <version>2.5.14</version>
+        <version>2.5.15-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>

struts2-archetype-plugin/pom.xml

diff --git a/struts2-archetype-plugin/pom.xml b/struts2-archetype-plugin/pom.xml
index 254ba14..a3c1bf9 100644
--- a/struts2-archetype-plugin/pom.xml
+++ b/struts2-archetype-plugin/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts-archetypes</artifactId>
-        <version>2.5.14</version>
+        <version>2.5.15-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>

struts2-archetype-portlet/pom.xml

diff --git a/struts2-archetype-portlet/pom.xml b/struts2-archetype-portlet/pom.xml
index 4c6571c..5d85992 100644
--- a/struts2-archetype-portlet/pom.xml
+++ b/struts2-archetype-portlet/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts-archetypes</artifactId>
-        <version>2.5.14</version>
+        <version>2.5.15-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>

struts2-archetype-starter/pom.xml

diff --git a/struts2-archetype-starter/pom.xml b/struts2-archetype-starter/pom.xml
index 8baf700..727471a 100644
--- a/struts2-archetype-starter/pom.xml
+++ b/struts2-archetype-starter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts-archetypes</artifactId>
-        <version>2.5.14</version>
+        <version>2.5.15-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>