#1 Refaktor of asset paths

...assets/common/application/sfx/mainmenu/mainmenu_close.mp3

.../assets/common/application/sfx/mainmenu/mainmenu_open.mp3

android/assets/common/universal/gfx/background_wooden.png

...src/cz/nic/tablexia/game/games/robbery/RobberyScreen.java

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

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

.../tablexia/loader/application/ApplicationSoundManager.java

...ablexia/loader/application/ApplicationTextureManager.java

...cz/nic/tablexia/screen/preferences/PreferencesScreen.java

...c/cz/nic/tablexia/screen/statistics/StatisticsScreen.java