issue-9: Implemented base for move hints
issue-9: Implemented base for move hints
Minor changes to hints test compatibility suite
issue-9: Merged with upstream. Some fixes for netBeans
Refactoring of rendering chain. Added highlight effect on pieces involved in move hint
issue-9: Changes to rendering pipeline in order to simplify piece
highlighting
issue-9: Minor code adjustments
issue-9: Added hints

Conflicts:
	game-spi/src/test/java/net/anatolich/mahjong/game/impl/CapabilitiesImplTest.java