Change application name

Make Swordfish recognazible by using its real name.
Create placesmodel.cpp
Create placesmodel.h
Create placesitem.h
Create placesitem.cpp
Create bookmark.h
Create bookmark.cpp
Update CMakeLists.txt
Merge remote-tracking branch 'origin' into gio
Code cleaned
Merge pull request #11 from Jatt159/gio

Implement PlacesModel using Kommodity.