Add support for Heat and Wait
Summary: Use the M109 and M190 Gcodes to set heat and wait. (M116 to wait on teacup).
Test Plan:
Needs testing on
- Repetier
- Marlin
- Smoothie
- Teacup
- Sprinter
- Aprinter
Reviewers: patrickelectric, tcanabrava, laysrodrigues
Reviewed By: patrickelectric, tcanabrava
Subscribers: ngraham, Atelier: AtCore
Differential Revision: https://phabricator.kde.org/D6950