Cleanup MANIFEST.MF in JGit

- We shouldn't be re-exporting bundles, JSch in this case.
  Instead used a Import-Package clause.

- Some packages weren't exported.  In Eclipse we have a policy to
  export all the packages in a bundle

- Exporting version numbers on the export packages.

Bug: 291108
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

org.eclipse.jgit/META-INF/MANIFEST.MF

@@ -5,17 +5,22 @@ Bundle-SymbolicName: org.eclipse.jgit
 Bundle-Version: 0.5.0.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %provider_name
-Export-Package: org.eclipse.jgit.dircache,
- org.eclipse.jgit.errors;uses:="org.eclipse.jgit.lib",
- org.eclipse.jgit.lib,
- org.eclipse.jgit.revplot,
- org.eclipse.jgit.revwalk,
- org.eclipse.jgit.revwalk.filter,
- org.eclipse.jgit.transport;uses:="org.eclipse.jgit.lib",
- org.eclipse.jgit.treewalk,
- org.eclipse.jgit.treewalk.filter,
- org.eclipse.jgit.util
+Export-Package: org.eclipse.jgit.awtui;version="0.5.0",
+ org.eclipse.jgit.diff;version="0.5.0",
+ org.eclipse.jgit.dircache;version="0.5.0",
+ org.eclipse.jgit.errors;version="0.5.0",
+ org.eclipse.jgit.fnmatch;version="0.5.0",
+ org.eclipse.jgit.lib;version="0.5.0",
+ org.eclipse.jgit.merge;version="0.5.0",
+ org.eclipse.jgit.patch;version="0.5.0",
+ org.eclipse.jgit.revplot;version="0.5.0",
+ org.eclipse.jgit.revwalk;version="0.5.0",
+ org.eclipse.jgit.revwalk.filter;version="0.5.0",
+ org.eclipse.jgit.transport;version="0.5.0",
+ org.eclipse.jgit.treewalk;version="0.5.0",
+ org.eclipse.jgit.treewalk.filter;version="0.5.0",
+ org.eclipse.jgit.util;version="0.5.0",
+ org.eclipse.jgit.util.io;version="0.5.0"
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
-Bundle-ClassPath: .
-Require-Bundle: com.jcraft.jsch;visibility:=reexport
+Import-Package: com.jcraft.jsch