Enable ACTION_ON_PAUSE and ACTION_ON_RESUME (T1830)

Fix to Hibiscus auto-level code.

- Added M400 to leveling sequence.
- Changed "levelling" to American spelling.

Changed feedrate on pause (T2115).

- Reduced extrusion length on unpause to 10 mm and feedrate to 1 mm/sec
- Also added auto-leveling option for Hibiscus.

Additions and fixes to CLCD.

    - Fixed issue where temp updates stops updating in status screen.
    - Added feedrate controls.
    - Added tune print menu.
    - Added ability to extrude/retract from touch UI
    - Added support for M300 gcode.
    - Fixed glitches with the sound code.
    - Added USB drive code.
        - Note: This is pending the relicensing of the USB code from "GPL v2" to "GPL v2 and later"
                which the authors have agreed upon.
    - Added ability to browse directory hierarchy.

Fix to Hibiscus LCD timeout (T1822)

- LCD will now properly timeout after the user leaves
  the move axis screen.

Disabled position display in Hibiscus UI (T1822)

- Position display is now disabled as requested by marketing.
- Merged upstream Marlin changes to GUI code.

Fixed incorrect #define

Bumped version number.

Fixed disappearing degree mark in Hibiscus UI.

Shifted coordinate system on Hibiscus

- Shifted coordinate system down by 2 mm in Y on Hibiscus to better center the print.
- Bumped release version to .12