ST6RI-916 Added EMF and Ecore dependencies to org.omg.sysml.model.bundle

Prior to this change, opening a model file in the Xtext IDE caused
an error (unable to load EObject).

Author: seidewitz

org.omg.sysml.model.bundle/META-INF/MANIFEST.MF

@@ -8,6 +8,9 @@ Bundle-Version: 0.59.0.qualifier
 Export-Package: org.omg.sysml.lang.sysml,
  org.omg.sysml.lang.sysml.impl,
  org.omg.sysml.lang.sysml.util
+Require-Bundle: org.eclipse.emf.ant;bundle-version="2.13.0",
+ org.eclipse.emf.common;bundle-version="2.44.0",
+ org.eclipse.emf.ecore;bundle-version="2.41.0"
 Bundle-ClassPath: .,
  lib/org.omg.sysml.model-0.59.0-SNAPSHOT.jar
 Bundle-SymbolicName: org.omg.sysml.model.bundle;singleton:=true