Create Climber Subsystem/Commands

[scottbot95]

Subsystem Requirements;

• [x] Extend/Retract
• [x] Articulate Arm
  • Manual control
  • Automated Angle control

Commands:

• [x] Extend/Retract
• [x] Manual angle control
• [x] Automatic angle control

[calvinxp]

In Constants class, change CANIN_WINCH and CANIN_ARTICULATOR to CANID_WINCH and CANID_ARTICULATOR.

[jtechau]

See also #25