Include org.apache.commons.codec 1.13 in the JGit http.apache.feature

We do include httpcomponents.httpclient, but that depends on
commons.codec. By including it here we can ensure that the version
needed is indeed available.

Bug: 559735
Change-Id: I16ef830cfe4f8e3b8a8ca08476fd655f41eee51b
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>

org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.xml

@@ -47,4 +47,11 @@
          version="0.0.0"
          unpack="false"/>
 
+   <plugin
+         id="org.apache.commons.codec"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
 </feature>