Fix #2356. Compare languages not locales
Fix #2356. Compare languages not locales

Cherry-picked from master.

Conflicts:
	main/src/cgeo/geocaching/CacheDetailActivity.java

vishwakulkarni/cgeo,yummy222/cgeo,mucek4/cgeo,pstorch/cgeo,superspindel/cgeo,pstorch/cgeo,cgeo/cgeo,samueltardieu/cgeo,Huertix/cgeo,matej116/cgeo,lewurm/cgeo,yummy222/cgeo,rsudev/c-geo-opensource,schwabe/cgeo,KublaikhanGeek/cgeo,marco-dev/c-geo-opensource,lewurm/cgeo,Bananeweizen/cgeo,rsudev/c-geo-opensource,auricgoldfinger/cgeo,madankb/cgeo,superspindel/cgeo,mucek4/cgeo,matej116/cgeo,tobiasge/cgeo,vishwakulkarni/cgeo,auricgoldfinger/cgeo,superspindel/cgeo,auricgoldfinger/cgeo,S-Bartfast/cgeo,brok85/cgeo,matej116/cgeo,schwabe/cgeo,cgeo/cgeo,xiaoyanit/cgeo,ThibaultR/cgeo,kumy/cgeo,S-Bartfast/cgeo,madankb/cgeo,kumy/cgeo,S-Bartfast/cgeo,yummy222/cgeo,rsudev/c-geo-opensource,xiaoyanit/cgeo,kumy/cgeo,lewurm/cgeo,schwabe/cgeo,schwabe/cgeo,brok85/cgeo,pstorch/cgeo,madankb/cgeo,SammysHP/cgeo,tobiasge/cgeo,brok85/cgeo,SammysHP/cgeo,marco-dev/c-geo-opensource,samueltardieu/cgeo,Huertix/cgeo,samueltardieu/cgeo,KublaikhanGeek/cgeo,mucek4/cgeo,xiaoyanit/cgeo,ThibaultR/cgeo,marco-dev/c-geo-opensource,cgeo/cgeo,vishwakulkarni/cgeo,tobiasge/cgeo,cgeo/cgeo,Bananeweizen/cgeo,ThibaultR/cgeo,KublaikhanGeek/cgeo,Bananeweizen/cgeo,Huertix/cgeo,SammysHP/cgeo