Correct version increase for egit-github

The target platform setup was not increased with the version increase.
As a result stable nightly builds on the new infrastructure don't work.

Bug: 545981
Change-Id: I530f9b83748bc5f20f3e62b969849f247bcecd7e
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
diff --git a/pom.xml b/pom.xml
index bec98c2..da2dc00 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,6 +55,7 @@
   </licenses>
 
   <properties>
+    <egit-github-version>5.3.1-SNAPSHOT</egit-github-version>
     <tycho-version>1.3.0</tycho-version>
     <tycho-extras-version>${tycho-version}</tycho-extras-version>
     <spotbugs-maven-plugin-version>3.1.9</spotbugs-maven-plugin-version>
@@ -344,7 +345,7 @@
             <artifact>
               <groupId>org.eclipse.mylyn.github</groupId>
               <artifactId>org.eclipse.mylyn.github.target</artifactId>
-              <version>5.3.0-SNAPSHOT</version>
+              <version>${egit-github-version}</version>
               <classifier>github</classifier>
             </artifact>
           </target>
diff --git a/tools/version.sh b/tools/version.sh
index 4111e5a..1ded1e6 100755
--- a/tools/version.sh
+++ b/tools/version.sh
@@ -133,7 +133,7 @@
 		$seen_version = 1 if
 		s{<(version)>[^<\$]*</\1>}{<${1}>'"$POM_V"'</${1}>};
 	}
-	s{<(egit-version)>[^<\$]*</\1>}{<${1}>'"$POM_V"'</${1}>};
+	s{<(egit-github-version)>[^<\$]*</\1>}{<${1}>'"$POM_V"'</${1}>};
 	' pom.xml
 
 perl -pi~ -e '