use new names
fix change video device menu
add persistance config
adjust comments & doc
fix startup
adapt README.md
run indent on c code
add getter for frame size & interval
add new feature to sample code
collect v4l library switch to one location
add 'x' to quit programm
fix typos in README.md
add image of scanner
fix dev name conf
prepare rotate
rename members to be easier to understand
add more keys
adjust comment