Set default to imperial units for Burma and Liberia
Add .classpath to .gitignore
Improve MyData instatiation

Ensure that the long-living app context is used at all times instead of
a possibly short-living activity (base) context.  Call initInstance() in
onCreate() of all activities which make use of MyData.
Add quick category buttons to main screen

Still needs to be beautified.
Brush up MainActivity layout a bit
Update TODO
Properly synchronize instantiation of MyData singleton

(This is just a first step towards thread-safety.)
Bump up version to 0.1.5 (alpha)
Refactoring:  break location update out of MyData.Load()
First stabs at map setup and test
Remove project.properties as it contains local config
Add project.properties to .gitignore
Merge branch 'master' into map
Add test code for Geocoder
Initialize map camera with current position