Merge branch 'feature-menu' into 'devel'

...on/_global/application/usermenu/menuitem_background.9.png

...common/_global/application/usermenu/menuitem_triangle.png

core/assets/common/_global/application/usermenu/sample.jpg

core/src/cz/nic/tablexia/Tablexia.java

core/src/cz/nic/tablexia/TablexiaApplication.java

core/src/cz/nic/tablexia/TablexiaSettings.java

core/src/cz/nic/tablexia/TablexiaStorage.java

core/src/cz/nic/tablexia/bus/event/MenuControlEvent.java

core/src/cz/nic/tablexia/game/AbstractTablexiaGame.java

core/src/cz/nic/tablexia/game/GameDefinition.java

...ablexia/game/games/in_the_darkness/InTheDarknessGame.java

...ic/tablexia/game/games/robbery/AbstractRobberyScreen.java

core/src/cz/nic/tablexia/game/games/robbery/RobberyGame.java

core/src/cz/nic/tablexia/loader/TablexiaAtlasManager.java

.../tablexia/loader/application/ApplicationAtlasManager.java

core/src/cz/nic/tablexia/menu/AbstractMenu.java

core/src/cz/nic/tablexia/menu/IMenuItem.java

core/src/cz/nic/tablexia/menu/MenuController.java

core/src/cz/nic/tablexia/menu/main/LocaleSelectBox.java

core/src/cz/nic/tablexia/menu/main/MainMenu.java