Update dependencies to be compliant with Kepler RC1 and E4 tools
(http://download.eclipse.org/e4/downloads/drops/I20130523-2200/repository/)
Merge branch 'master' of
https://opcoach@github.com/opcoach/contextExplorer.git

Conflicts:
	com.opcoach.e4.contextExplorer/META-INF/MANIFEST.MF
	com.opcoach.e4.contextExplorer/src/com/opcoach/e4/contextExplorer/handlers/SaveHandler.java
Update contextExplorer to be compliant with KeplerRC1 and E4 Tools (
http://download.eclipse.org/e4/downloads/drops/I20130523-2200/repository/)