Features/3089 country specific locale

@effkay @iphilgood @alexanderadam @donaier 
- add functionality to add country-specific language
- make sure when testing that the page table has also a page_title_de_ch filed in the database! (maybe this will not be automaticly create but this i fixed in this open Pull-Request https://github.com/screenconcept/kuhsaft/pull/205)
- maybe some of u find something that i forgot
- thx for reviewing