#20 AbstractButton dialog, refactoring, problems fix

android/assets/atlases/buttons_atlas.pack~

android/assets/atlases/dialog_atlas.pack~

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

...c/cz/nic/tablexia/screen/halloffame/HallOfFameScreen.java

.../cz/nic/tablexia/util/ui/dialog/AbstractButtonDialog.java

...rc/cz/nic/tablexia/util/ui/dialog/SingleButtonDialog.java

core/src/cz/nic/tablexia/util/ui/dialog/TablexiaDialog.java

core/src/cz/nic/tablexia/util/ui/dialog/TwoButtonDialog.java

desktop/src/cz/nic/tablexia/desktop/DesktopLauncher.java