Apply changes to enable z probe
Updated for boards.h
Corrected merge error.
Initial offset values based from my personal Phoenix.
These values will most likely not be the same for you.
Tweaks to E0 PID.
Adjust travel limits (accounting for non accessible area - y axis).
Auto level grid is now properly set up for my probe mount.
Increased bed leveling grid to 3 points.
Adjusted probe offsets for probe (x is set, z may need tweaking).
Merge commit '71ddfc4a2b06b31231a348ba6ce021d4cb2bb507' into Marlin_phoenix

* commit '71ddfc4a2b06b31231a348ba6ce021d4cb2bb507':
  Tweaks to E0 PID. Adjust travel limits (accounting for non accessible area - y axis).
  Updated for boards.h
  Corrected merge error.

- Disabled TEMP_SENSOR_2
- Restored PID_dT to defaults
- 0.0.8-beta release