Merge branch 'feature-zipcheck' into 'devel'

android/build.gradle

android/src/cz/nic/tablexia/android/AndroidLauncher.java

build.gradle

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

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

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

...c/cz/nic/tablexia/loader/TablexiaAbstractFileManager.java

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

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

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

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

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

core/src/cz/nic/tablexia/loader/zip/ZipAssetLoader.java

...z/nic/tablexia/screen/AbstractAutoloadTablexiaScreen.java

.../tablexia/screen/AbstractLinearTextureTablexiaScreen.java

core/src/cz/nic/tablexia/screen/AbstractTablexiaScreen.java

core/src/cz/nic/tablexia/screen/loader/LoaderScreen.java

.../tablexia/screen/viewport/FullscreenImageDebugScreen.java

core/src/cz/nic/tablexia/util/Utility.java

...src/cz/nic/tablexia/util/assetmanager/DirectoryAsset.java