Replace explicit version by property where possible

Change-Id: Ibb3b983d01133fd98477d9284118d8220846f0e9
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.packaging/org.eclipse.jgit.feature/pom.xml

@@ -63,7 +63,7 @@
     <dependency>
       <groupId>org.eclipse.jgit</groupId>
       <artifactId>org.eclipse.jgit</artifactId>
-      <version>2.3.0-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
   </dependencies>
 

org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/pom.xml

@@ -63,17 +63,17 @@
     <dependency>
       <groupId>org.eclipse.jgit</groupId>
       <artifactId>org.eclipse.jgit.junit</artifactId>
-      <version>2.3.0-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.jgit</groupId>
       <artifactId>org.eclipse.jgit.junit.http</artifactId>
-      <version>2.3.0-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.jgit</groupId>
       <artifactId>org.eclipse.jgit.http.server</artifactId>
-      <version>2.3.0-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
   </dependencies>
 

org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/pom.xml

@@ -64,19 +64,19 @@
     <dependency>
       <groupId>org.eclipse.jgit</groupId>
       <artifactId>org.eclipse.jgit</artifactId>
-      <version>2.3.0-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
 
     <dependency>
       <groupId>org.eclipse.jgit</groupId>
       <artifactId>org.eclipse.jgit.pgm</artifactId>
-      <version>2.3.0-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
 
     <dependency>
       <groupId>org.eclipse.jgit</groupId>
       <artifactId>org.eclipse.jgit.ui</artifactId>
-      <version>2.3.0-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
   </dependencies>
 

org.eclipse.jgit.packaging/pom.xml

@@ -99,7 +99,7 @@
     <dependency>
       <groupId>org.eclipse.jgit</groupId>
       <artifactId>org.eclipse.jgit</artifactId>
-      <version>2.3.0-SNAPSHOT</version>
+      <version>${project.version}</version>
       <classifier>sources</classifier>
     </dependency>
     <dependency>