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

Author: lukaszlenart

pom.xml

@@ -21,7 +21,7 @@
     <groupId>com.akathist.maven.plugins.launch4j</groupId>
     <artifactId>launch4j-maven-plugin</artifactId>
     <packaging>maven-plugin</packaging>
-    <version>1.7.14</version>
+    <version>1.7.15-SNAPSHOT</version>
 
     <name>Maven Launch4j Plugin</name>
     <description>This plugin creates Windows executables from Java jar files using the Launch4j utility.</description>