- Added PressureProbabilityModel
 - Added DirectionProbabilityModel
 - Reworked directions to be quantized into n buckets
 - Changed Gaussian.java to create 1 and 2 D distributions
 - Fixed some bugs in LocationProbabilityModel
  - Increased hSize of Guassian kernel
  - Handling no touches well.
 - Change file writing to overwrite instead of append
 - Changed SignupActivity to ask for 5 good gestures and 3 test gestures
Merge branch 'master' of https://github.com/craig5008/SeniorDesign.git

Conflicts:
	BIOAuthTouchGestureRecorder/src/com/seniordesign/bioauthtouchgesturerecorder/hmm/LocationProbabilityModel.java