Live tracking: first version
Add button to enable live tracking
Authentication
Read login, password and url from saved prefs

To edit them:

adb shell
vi /data/data/com.njackson/shared_prefs/PebbleBikePrefs.xml

Add the following lines:
<string name="LIVE_TRACKING_LOGIN">MY_LOGIN</string>
<string name="LIVE_TRACKING_PASSWORD">MY_PASS</string>

and optionnaly (if you you to use another live):
<string name="LIVE_TRACKING_URL">LEAVE_EMPTY_TO_USE_DEFAULT_OR_PROVIDE_YOUR_OWN_URL</string>
Send live tracking to pebble
Rename res/layout/AltitudeFragment.xml
Store friends in HashMap
Merge branch 'UI.Refresh' into dev_livetracking

Conflicts:
	AndroidManifest.xml
	res/layout/home.xml
	res/values/strings.xml
	src/com/njackson/GPSService.java
	src/com/njackson/HomeActivity.java
Store Live Tracking options in Preferences
Listening for preference changes
Merge pull request #10 from jay3/v1.3beta

V1.3beta