Refactor org.eclipse.jgit.test to be a bundle

This way dependencies are described by the MANIFEST.MF,
and the same build tools can be used to compile the tests.

Change-Id: I4dc926148410ecbadcf71b9474aeeb509691aa32

org.eclipse.jgit.test/.classpath

@@ -5,7 +5,6 @@
 	<classpathentry kind="src" path="exttst"/>
 	<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 combineaccessrules="false" kind="lib" path="/com.jcraft.jsch"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

org.eclipse.jgit.test/.project

@@ -10,8 +10,19 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
 	</natures>
 </projectDescription>

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

+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: %plugin_name
+Bundle-SymbolicName: org.eclipse.jgit.test
+Bundle-Version: 0.6.0.qualifier
+Bundle-Localization: plugin
+Bundle-Vendor: %provider_name
+Bundle-ActivationPolicy: lazy
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Import-Package: com.jcraft.jsch,
+ junit.framework,
+ junit.textui

org.eclipse.jgit.test/build.properties

+source.. = tst/,\
+           tst-rsrc/,\
+           exttst/
+bin.includes = META-INF/,\
+               .,\
+               plugin.properties

org.eclipse.jgit.test/plugin.properties

+plugin_name=Java Git Core Tests (Incubation)
+provider_name=eclipse.org