Import some update from 0.92 for menu

Import some menu update from 0.92
Add sdrefresh global function in UIDisplay class to control usage
Fix Y_max Length as it hit border

Decrease Y_max Length  as at least it hit border on 2.0
are size different between 1.0 and 2.0 for Y max ?
Fix homing speed and position when doing pause

When doing pause during printing nozzle is set at maxfeedrate to right
corner, decrease the speed to homingFeedrate and also if it is possible
put bed 10 mm lower to avoid to hit anything, as position is memorized
it is ok