allow appium to recover from surprise instruments exits, and tests
downgrade instruments stderr output so it doesn't clutter test output
fixing merge conflicts
move session management into controllers where it belongs
update unit tests with desiredCaps
Merge pull request #39 from bernii/master

Flick implementation and typo fix
Merge pull request #40 from jlipps/master

make appium+instruments connection more robust
flick element - work with sliders etc.