Introduction of an output format model
mapsettings - addNewOutputFormat action
mapsettings - addNewOutputFormat action
Integrating an outputformat model (WIP)
mapsettings - output formats - breaking things down

- Switching from qtreeview to qlistview
- Still figuring out how to use the custom model
- ... at least it still compiles
mapsettings - outputformats WIP
MapSettings - output format - almost repaired
MapSettings - output formats

- End with new model integration
- Fixing ui aspects (activation)
Merge branch 'outputfmt-model'

Fixing also some things, still need to debug the add action of output
formats.

Conflicts:
	mapsettings.cpp