Adding language and country support to Android
Merge pull request #2529 from penguinho/android-language

Adding language and country support to Android
Extract strings from apk corresponding to device language instead of default to be used with ID location strategy in Android
Extract strings from apk and add getStrings method on selendroid
Fix error removing old strings file from windows
Add optional argument 'language' to getStrings in Android and Selendroid
Add optional argument 'language' to getStrings in iOS