Revert "I deleted a line."

This reverts commit 583812b168e69f53e14df4f1fe4c504ff47fb7ac.
Added thread to tell SmartDashboard if shooter limit switch is pressed.
Added thread to tell SmartDashboard if shooter limit switch is pressed.
Added thread to tell SmartDashboard if shooter limit switch is pressed.
Added shooter arm.
Merge origin/master