Bug 516687 - [SysML 1.1] Move SysML 1.1 to an independent repository


 - copy the code from Papyrus core repository
 - change the build to follow maven convention
 - fix or Ignore tests that weren't executed by the master build
 - fix dependencies problem in tests plugins

Change-Id: I4639fd584ecb79e29240a71ae502bdd05f725442