Momentary rot button

It's a brush that continues to rotate as the player holds down.

Keyvalues

 * {|class=tbl

! Value || Description || Default Sound
 * || None || common/null.wav
 * ||Big zap & Warmup||buttons/button1.wav
 * ||Access Denied||buttons/button2.wav
 * ||Access Granted||buttons/button3.wav
 * ||Quick Combolock||buttons/button4.wav
 * ||Power Deadbolt 1||buttons/button5.wav
 * ||Power Deadbolt 2||buttons/button6.wav
 * ||Plunger||buttons/button7.wav
 * ||Small zap||buttons/button8.wav
 * ||Keycard Sound||buttons/button9.wav
 * ||Squeaky||buttons/lever1.wav
 * ||Squeaky Pneumatic||buttons/lever2.wav
 * ||Ratchet Groan||buttons/lever3.wav
 * ||Clean Ratchet||buttons/lever4.wav
 * ||Gas Clunk||buttons/lever5.wav
 * }
 * ||Small zap||buttons/button8.wav
 * ||Keycard Sound||buttons/button9.wav
 * ||Squeaky||buttons/lever1.wav
 * ||Squeaky Pneumatic||buttons/lever2.wav
 * ||Ratchet Groan||buttons/lever3.wav
 * ||Clean Ratchet||buttons/lever4.wav
 * ||Gas Clunk||buttons/lever5.wav
 * }
 * ||Ratchet Groan||buttons/lever3.wav
 * ||Clean Ratchet||buttons/lever4.wav
 * ||Gas Clunk||buttons/lever5.wav
 * }
 * ||Gas Clunk||buttons/lever5.wav
 * }
 * }