Added Preferences for SmartDashboard

Added Pref for the TestMotorSubsystem so that testing is easier. To
configure, go to SmartDashboard and edit Preferences.
Added Preferences Import for MotorTestSubsystem
Merge branch 'master' of https://github.com/discobots2587/disco-frc

Conflicts:

2014-AerialAssist/AerialAssist/src/org/discobots/aerialassist/subsystems
/MotorTestSubsystem.java
Added Preferences to TestVision Code