Corrected a few spelling and grammar mistakes
Added missing Dutch translations
Restructured the Dutch no internet translation
Restructured the friend block translation in Dutch

"je" is being used everywhere in the Dutch translation, so it's only logical that it's used here, too.
Merge remote-tracking branch 'upstream/master' into doublet-dutch-translation

Conflicts:
	app/src/main/res/values-nl/strings.xml
Merge branch 'doublet-doublet-dutch-translation'