Bug 515649: [BPMN] architecture framework migration
  - remove org.eclipse.papyrus.bpmn.diagram which contains old viewpoint
  - remove org.eclipse.papyrus.bpmn.diagram.ui which contains unused bpmn wizards and new child menu
  - move new child menu to org.eclipse.papyrus.diagram.common
  - clean css
  - remove some compilation warnings

Change-Id: I939de8e96878e4111b670ba81b4b630b7dec606b
Signed-off-by: Géry Deloge <gery.deloge@cea.fr>
38 files changed