Add search box to language selection dialog on Symbian #64
Description
The selection dialog will be more usable if you add area for quick search of language. You may use sortfilterproxymodel class for this purposes:
https://github.com/Vitalii17/Streets/blob/master/Streets/src/sortfilterproxymodel.h
https://github.com/Vitalii17/Streets/blob/master/Streets/src/sortfilterproxymodel.cpp