add simple obd simulator app
remove autoconnect thread. outsourced to a backgroundService.
disable AndroidHandler as java.util.logging seems to be forwarded
anyways.
define method invariants
add backgroundService for automatic device discovery.
Merge branch 'refactor-outsource-matthes' of https://github.com/matthesrieke/enviroCar-app into develop
modify gitignore
modify gitignore
add mutex at waiting for the response
disable mutex. needs further investigations.
Merge branch 'refactor-outsource-matthes' of https://github.com/matthesrieke/enviroCar-app into develop
more variant measurements.
update measurement UI in an event-driven way.
remove 200 ms sleep for each command. now processes result ASAP.

also added handling of situations where the connections to the adapter
is lost (out of range, adapter crashes, ...)
to merge other stuff
Merge branch 'refactor-outsource-matthes' of
https://github.com/matthesrieke/enviroCar-app into develop

Conflicts:
	android-obd-simulator/.gitignore
fix possible null activity in dashboard
add car object to track
merge gitignore