Updated podspec and README

Added Malay Localization

Dropped iOS 7 support and cleaned up code base

Closes ArtSabintsev#31: sirenDidShowUpdateDialog() delegate method no…

…w being called properly

Updated appName var definition

Updated markdown files, podspec, and added estonian and latvian trans…

…lations

Added Hungarian localization

Added Thai language support. Fixed localization bug

Added Arabic localization

Updated docs