Build with Tycho 0.22.

Change-Id: I32444e926179827be31d9201a6bbc5d514672110
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>

org.eclipse.jgit.packaging/pom.xml

   <name>JGit Tycho Parent</name>
 
   <properties>
-    <tycho-version>0.21.0</tycho-version>
+    <tycho-version>0.22.0</tycho-version>
     <tycho-extras-version>${tycho-version}</tycho-extras-version>
   </properties>
 

pom.xml

         <plugin>
           <groupId>org.eclipse.tycho.extras</groupId>
           <artifactId>tycho-pack200a-plugin</artifactId>
-          <version>0.21.0</version>
+          <version>0.22.0</version>
         </plugin>
         <plugin>
           <groupId>org.eclipse.tycho.extras</groupId>
           <artifactId>tycho-pack200b-plugin</artifactId>
-          <version>0.21.0</version>
+          <version>0.22.0</version>
         </plugin>
         <plugin>
           <groupId>org.jacoco</groupId>