Proper localization

First start on localizing the Boskoi categories, app runs, but havent
tested everything, also API has to be updated, last the langauge
switcher in the menu has to updated and defaultLocale has to be
switched by the set localeproperty
Fixes for localisation and localisation switches
upgraded Boskoi version number and last? locale fixes
last locale fixes and updated icon
Improved icon and category_lang sorted by name not id

commit for boskoi 2.5 as in Google Play Store
Language chooser dialog for multiple languages
Final language changes

reworked langauge changes without fragments, and different language
icon. now also Danish langauge support