Use JUnit4 for tests

We should use JUnit4 for tests. This patch updates
the MANIFEST.MF and respective launch configurations.

Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

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

 Bundle-Vendor: %provider_name
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
-Import-Package: junit.framework;version="[3.8.2,4.0.0)",
+Import-Package: junit.framework;version="[4.0.0,5.0.0)",
  org.eclipse.jgit.diff;version="[0.9.0,0.10.0)",
  org.eclipse.jgit.dircache;version="[0.9.0,0.10.0)",
  org.eclipse.jgit.errors;version="[0.9.0,0.10.0)",

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

 Bundle-Vendor: %provider_name
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
-Import-Package: junit.framework;version="[3.8.2,4.0.0)",
+Import-Package: junit.framework;version="[4.0.0,5.0.0)",
  junit.textui;version="[3.8.2,4.0.0)",
  org.eclipse.jgit;version="[0.9.0,0.10.0)",
  org.eclipse.jgit.api;version="[0.9.0,0.10.0)",

org.eclipse.jgit.test/org.eclipse.jgit.core--All-External-Tests (Java 6).launch

-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <launchConfiguration type="org.eclipse.jdt.junit.launchconfig">
-<booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
-<stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+<listEntry value="/org.eclipse.jgit.test/exttst"/>
+</listAttribute>
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
-<listEntry value="4"/>
+<listEntry value="2"/>
 </listAttribute>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>
-<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
 <listAttribute key="org.eclipse.debug.ui.favoriteGroups">
 <listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
 <listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
 </listAttribute>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-<listEntry value="/org.eclipse.jgit.test"/>
-</listAttribute>
 <stringAttribute key="org.eclipse.jdt.junit.CONTAINER" value="=org.eclipse.jgit.test/exttst"/>
-<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
-<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit3"/>
+<booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
+<stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
+<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit4"/>
+<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
+<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>
 </launchConfiguration>

org.eclipse.jgit.test/org.eclipse.jgit.core--All-External-Tests.launch

-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <launchConfiguration type="org.eclipse.jdt.junit.launchconfig">
-<booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
-<stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+<listEntry value="/org.eclipse.jgit.test/exttst"/>
+</listAttribute>
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
-<listEntry value="4"/>
+<listEntry value="2"/>
 </listAttribute>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>
+<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
 <listAttribute key="org.eclipse.debug.ui.favoriteGroups">
 <listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
 <listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
 </listAttribute>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-<listEntry value="/org.eclipse.jgit.test"/>
-</listAttribute>
 <stringAttribute key="org.eclipse.jdt.junit.CONTAINER" value="=org.eclipse.jgit.test/exttst"/>
-<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
-<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit3"/>
+<booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
+<stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
+<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit4"/>
+<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
+<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>
 </launchConfiguration>

org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests (Java 6).launch

 <stringAttribute key="org.eclipse.jdt.junit.CONTAINER" value="=org.eclipse.jgit.test/tst"/>
 <booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
 <stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
-<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit3"/>
+<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit4"/>
 <stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>

org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests.launch

-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <launchConfiguration type="org.eclipse.jdt.junit.launchconfig">
-<booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
-<stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+<listEntry value="/org.eclipse.jgit.test/tst"/>
+</listAttribute>
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
-<listEntry value="4"/>
+<listEntry value="2"/>
 </listAttribute>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>
+<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
 <listAttribute key="org.eclipse.debug.ui.favoriteGroups">
 <listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
 <listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
 </listAttribute>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-<listEntry value="/org.eclipse.jgit.test"/>
-</listAttribute>
 <stringAttribute key="org.eclipse.jdt.junit.CONTAINER" value="=org.eclipse.jgit.test/tst"/>
-<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
-<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit3"/>
+<booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
+<stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
+<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit4"/>
+<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
+<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>
 </launchConfiguration>