Fixed compiler warning
Added Spanish locale
Added Polish localization
Minor refactoring
Added MarsThemes exception
Cleaned up and updated .sketch sources to version 3
Added +[DFApplication ignoreExceptionsWhoseStackTraceContains:]
Fixed a bug
Fixed typos in Polish localization
Updated OSX version checker to work on Yosemite
Minor tweaks
Merge branch 'upstream' into framework

Conflicts:
	Helpers/OSXVersion.m