Updated Russian translations
Updated Greek translations
Fixes to various locales string arrays
Updated project.property target API to 19
Updated IDEA project
Merge branch 'develop' of https://github.com/XhmikosR/FWeather into XhmikosR-develop

Conflicts:
	res/values-el/pref_strings.xml
Updated Android-switch-backport submodule ref
Updated Android-switch-backport submod ref

Its entry in .gitmodules now points to our forked repo