- prefix all examples with "ex-"
- added unfinished cairo example- added unfinished cairo example- added
  unfinished cairo example- added unfinished cairo example- added
unfinished cairo example- added unfinished cairo example- added unfinished
cairo example- added unfinished cairo example- added unfinished cairo
example
- simplified basemap example
- more basemap example simplification
- code cleanup
- documentation cleanup
- added unit test for map reverse geocoding method