Added Address Details Fragment/Activity with navigation button to start external app
Added destination marker functionality to Map Fragment
Added navigation app intent function to Main Activity for reuse in other components
Added app preferences and modified Data Management activity to Preferences activity
Read initial coordinates in Map fragment from preferences
Send different navigation intent type depending on preferences
Fixed bugs with lifecycle management in all views
Fixed font/text/color bugs for filters in Address fragment
Automatically follow user location when Map fragment is opened
Asynchronously load big images in About activity in a memory-friendly manner