Support for new Logo Generator
Only save selected master type
Added proceessing for areas not containing any known dwellings
Too Many Selected Area Changed Model Listeners

Fixed the way that the Bounded Area Selection Listeners are set so that they are now only set when tabs are changed and the old listener is removed
Added grow by and center by fraction
Added button to export maps
Merge pull request #51 from etothepii/feature/mapOutput

Feature/map output