Merge pull request #1 from gabdallah222/flightController

Combined servo and accelerometer code - developed hover software v0.1
Motors respond to attitude
included Tessel dependencies
hover w incremental speed changes
motors attempting binary balance
motors on or off based on attitude
binary motor hover code refactored
attempt to reset ESC failed; improvements to hover.
Merge pull request #2 from mLuby/flightControl

Flight control
improvements to hover
programFlow syntax fixed
hover test all 4 motors turn on
incremental throttle hover
untethered hover attempt
hover attempt with timing console log
Merge pull request #3 from mLuby/flightControl

Flight control
refactored hover code
Merge branch 'flightControl' of https://github.com/ConnectedMachines/tessel-code
Added server intergration to hover and land functions