Updated custom ADXL345 Class

Cleaned up class and added an isConnected() method. Still needs to be
tested.
added pickup preset to the start button
get turnt the speed of the tilter in teleop is now 0.8 instead of 0.6
added vision code to autonomous
Minor fix to auto sequence with vision
Changed auto to wait for hot goal before driving forward
Added commented code for pot angle in case we ever use it
Auto checks vision only once, also vision testing code
Reduced delay in auto hot goal wait
Autonomous, full speed ahead!
Merge branch 'stlouis-dev' of http://github.com/Chantilly612Code/612-2014 into stlouis-dev
Auto in main shifts high, in init and also once in periodic
Merge branch 'stlouis-dev' of http://github.com/Chantilly612Code/612-2014 into stlouis-dev