added libs, used setup from google maps demo, set up api key

stupid .gitignore was ignoring jars, grumble grumble.
Added permissions for locations
Improved DatabaseHandler with getPinFromCursor() and updatePin() method, as well as fix for time retrieval
Switched PinInformation to use floats for sensor data
Refactored MainActivity a little, and added prompting for activity
Merge branch 'master' into ssquire1
Added button / text for changing activity and clearing pins
Fixed but where closing cursor before getting count caused crashed
Changed toString() for PinInformation to index and date
Load values from database properly (no longer clears) and added clear / activity elements
Remove unused strings
Added classpath + project
PinInformation: Switched LX to float and added Prox
Added Prox to database and changed lx to float
Added PROXIMITY sensor. Switched update rate to NORMAL
Fixed database version to include new prox column
Fixed bug in database where wasn't pulling Proximity info correctly
Fixed bug in Sensor listeners where breaks in switch were forgotten
updated api key, added map animation + setup
syntax error