Merge remote-tracking branch 'origin/master' into neon

Conflicts:
	plugins/org.polarsys.chess.checkers/src/org/polarsys/chess/checkers/core/checkerManager/Checker.java
	plugins/org.polarsys.chess.checkers/src/org/polarsys/chess/checkers/core/checkerManager/CheckerManager.java
	plugins/org.polarsys.chess.checkers/src/org/polarsys/chess/checkers/core/checkerManager/CheckersContainer.java

Change-Id: I82322bd32ff90a6e98bc9d5f51609ec7fcf3856a