[bugzilla 395458] Improving kepler targetplatform and update code to match new EMFCompare 2 APIs

- Now using a targetplatform editor available here https://github.com/mbarbero/fr.obeo.releng.targetplatform to manage Intent target platforms
- Modify dependencies to make sure Intent is using the latest EMFCompare 2 API
- Fixing an API change in EMFCompareFix (quickfix used to visualize diffs between doc & working copy)
10 files changed