removed static reference to activity which can cause memory leaks
updated project to use the latest sdk
added hook to send mobility data to ohmage as a probe
fixed bug where probeWriter could be null
updated location of ProbeBuilder in the ohmageProbeLibrary
cursor should be closed
fixed bug where points without speed, accuracy, lat, or lon wouldn't be inserted into the db
fixed bug where json would not be created if the value of a number was NaN
updated version info for release which sends probes to ohmage
ohmageProbeLibrary changed so we need to make a new version
just use the global eclipse settings
no db change notifications should go to the network

Not that they will since there is no SyncAdapter. But if we ever add one it would be good to ensure it is not triggered by the notifyChange calls.
fixed bug where mobility might not be started even if the preference stays its on
updated .gitignore file
changed project to use WiFiGPSLocation and AccelService Library apks
updated LogProbe calls to be static
updated README