* Versions for core, tcl, ruby plugins

plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF

diff --git a/plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF
index 6b01355..9d3935f 100644
--- a/plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@
 Bundle-Vendor: %pluginProvider
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.core.runtime,
- org.eclipse.dltk.core,
+ org.eclipse.dltk.core;bundle-version="2.0.0",
  org.eclipse.core.resources,
  org.antlr.runtime
 Eclipse-AutoStart: true