Merge pull request #128 from jim17/master

KEYBOARD_ES
card commands
Add smartcard erase with pin option to dev tab, switch back to buttons for all erase options.
Switch to 1-bit per pixel fonts for profont (reduces flash use)
Add a --depth option for font.py to specify how many bits per pixel
part of the smartcard functions implemented
part of the functions implemented
Added oledIsOn() function to check the state of the OLED (i.e. for oledOff() and oledOn())
new bundle
Merge branch 'master' of https://github.com/limpkin/mooltipass
all smartcard functions implemented
refactoring
processing screen there and there
random bytes function
Add blacklist support
new rng command format
ent utility
tiny changes
updated string
Add a version field for mooltipass use.  We are now at 2.6.7.1