pick icon
leave place for pick button
pick button
stub pick panel
MainBar class
fixed compress scripts and build
MainBar show/hide functions
put cancel button on pick panel
cancel icon
slide and unslide methods
unslide menu on other button clicks
pick panel color button color
stub pick color from canvas
forbid editing a color if palette is closed
pick a color from canvas and convert to hsl
update palette color after picking
removed PickPanel.setButton function
full color part names rgb2hsl
pick tool mouse compatibility
opacity-hide main bar buttons on slide