#23 removed application id from tablexia settings, application preferences file from build type name

 * Tablexia iOS version automatic build
 * automatic creation of debug and release build types
 * different application ID for debug and release build types

 * save last screen
 * restore last screen after start
 * reset saved screen on Android for app shutdown from task manager

 * aplication version attribute in jar manifest
 * load application version from jar or apk and display in debug info

 * automatic version name from git
 * automatic version code from last git commit timestamp
 * gradle packages naming

 * build variant connected to application settings

 * change screen event
 * application loading complete event