gather all nullity related projects under contrib
diff --git a/testplugins/org.eclipse.objectteams.jdt.nullity.tests/.classpath b/contrib/org.eclipse.objectteams.jdt.nullity.tests/.classpath
similarity index 100%
rename from testplugins/org.eclipse.objectteams.jdt.nullity.tests/.classpath
rename to contrib/org.eclipse.objectteams.jdt.nullity.tests/.classpath
diff --git a/testplugins/org.eclipse.objectteams.jdt.nullity.tests/.project b/contrib/org.eclipse.objectteams.jdt.nullity.tests/.project
similarity index 100%
rename from testplugins/org.eclipse.objectteams.jdt.nullity.tests/.project
rename to contrib/org.eclipse.objectteams.jdt.nullity.tests/.project
diff --git a/testplugins/org.eclipse.objectteams.jdt.nullity.tests/.settings/org.eclipse.jdt.core.prefs b/contrib/org.eclipse.objectteams.jdt.nullity.tests/.settings/org.eclipse.jdt.core.prefs
similarity index 100%
rename from testplugins/org.eclipse.objectteams.jdt.nullity.tests/.settings/org.eclipse.jdt.core.prefs
rename to contrib/org.eclipse.objectteams.jdt.nullity.tests/.settings/org.eclipse.jdt.core.prefs
diff --git a/testplugins/org.eclipse.objectteams.jdt.nullity.tests/META-INF/MANIFEST.MF b/contrib/org.eclipse.objectteams.jdt.nullity.tests/META-INF/MANIFEST.MF
similarity index 100%
rename from testplugins/org.eclipse.objectteams.jdt.nullity.tests/META-INF/MANIFEST.MF
rename to contrib/org.eclipse.objectteams.jdt.nullity.tests/META-INF/MANIFEST.MF
diff --git a/testplugins/org.eclipse.objectteams.jdt.nullity.tests/build.properties b/contrib/org.eclipse.objectteams.jdt.nullity.tests/build.properties
similarity index 100%
rename from testplugins/org.eclipse.objectteams.jdt.nullity.tests/build.properties
rename to contrib/org.eclipse.objectteams.jdt.nullity.tests/build.properties
diff --git a/testplugins/org.eclipse.objectteams.jdt.nullity.tests/src/org/eclipse/objectteams/jdt/nullity/tests/NullAnnotationTest.java b/contrib/org.eclipse.objectteams.jdt.nullity.tests/src/org/eclipse/objectteams/jdt/nullity/tests/NullAnnotationTest.java
similarity index 100%
rename from testplugins/org.eclipse.objectteams.jdt.nullity.tests/src/org/eclipse/objectteams/jdt/nullity/tests/NullAnnotationTest.java
rename to contrib/org.eclipse.objectteams.jdt.nullity.tests/src/org/eclipse/objectteams/jdt/nullity/tests/NullAnnotationTest.java