fix SSD1306AsciiOut clear

and some polising

version bump

https://github.com/neu-rah/ArduinoMenu/issues/186

https://github.com/neu-rah/ArduinoMenu/issues/189

new navRoot::noAccel (bool) allow disabling numeric accelerators usage and printing

Merge branch 'tempIsland'

also fix travis rename

reactivate adafruit examples and bump version

prevent redraw on devices that are already redrawing

version bump

add video

add fontMarginX to gfxOut

and support on u8g2