Hopefully fixed #28 to use blocker.setBlockerRaise() and blocker.setBlockerLower().
Changed name of Button 4 from dButtonRollerSux to dButtonRollerFwd in RobotMap.java. Made changes to cordinate OI.java so errors hopefully don't occur.

Signed,
Alex Supica
Merge pull request #33 from CarmelRobotics/feature-OI

Feature oi