fixed droneshare uploader service issues:
- fixed issues with uploader service notification handling.
- improved network connectivity receiver/detector based on http://developer.android.com/training/monitoring-device-state/manifest-receivers.html#ToggleReceivers
(TextView) failsafeView can now be written to.
Fixed the unit tests by adding JRE to the CORE claspath
Fix build path,

So Android Project correct links to CORE project
Minor re-factoring of ProfileReader
Removed unused implementation of Serializable on parameters classes
Cleaup unused import and constant
Add default case to missing in some DroneEvent switch statements
Remove unused imports, methods and variables
Fix deprecation problems, by using newer layout parameters and by ignoring one instance of SlidingDrawer
Remove 'implement serializable' where it's not needed.
Fix possible memory leak
Remove more unused variables/constants
Fix remaining lint warnings by adding '@SuppressWarnings' statements
Let's leave version control to GIT

Removed all @since and @author tags
Prearm failures are reported in red
Implemented watchdog to remove failsafe warnings after 2 seconds
Read arming failures out loud.
Read PreArm failures also
updated google play store link in readme