Fix classpath to use jsch and args4j from orbit

All 3rd party dependencies must come from orbit to comply
with Eclipse development process.

Change-Id: Ia43892ab6d0169f8335c1a41b37e8c12e94cafe2
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.pgm/.classpath

 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry exported="true" kind="lib" path="lib/args4j-2.0.9.jar" sourcepath="lib/args4j-2.0.9.zip"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/org.eclipse.jgit"/>
+	<classpathentry combineaccessrules="false" kind="lib" path="/org.kohsuke.args4j"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

org.eclipse.jgit.test/.classpath

@@ -6,6 +6,6 @@
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/org.eclipse.jgit"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/3.8.1"/>
-	<classpathentry kind="lib" path="/org.eclipse.jgit/lib/jsch-0.1.37.jar" sourcepath="/org.eclipse.jgit/lib/jsch-0.1.37.zip"/>
+	<classpathentry combineaccessrules="false" kind="lib" path="/com.jcraft.jsch"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>