Merge branch 'dev'
#3 Implemented saving of points to a local output file
#6 Changed method of writing to internal storage

Changed from example method of saving to internal storage to the method
detailed in the android documentation.
#6 Changed file mode to World_Readable
#6 #3 Local saving of points is fully implemented and working
Merge branch 'dev-StoreLocalPoints' into dev
Updated README
Added check to make sure m_location isn't null before attempting to write position to file
Merge branch 'dev'
Merge branch 'master' of https://github.com/n8ebel/MappingLibrary