added db models for tour and files

Basic app functionality excepts tour launcher

album not switching issue

set settings subs as unclickable (switch subs by click item)
fix minor issues

settings sub checker

rxJavaPlugins errorHandler listener - need to be override due not all error cases allowed to be resolved by  default rxJava behaviour

issue: can't recieve notification from gcm;
problem: unknown? (maybe google server issue or presets..)

device utils module