~amavect/whiteboardfs

dryerase: fix arg parsing (thanks umbraticus)
update source links, update readme
Don't send color to picker on color change
refactor error handling
rename makeu funcs to generic picker
install man page (thx sigrid), update readme
add mit license
exit all on closed pipe, share color with makeu
Overhaul dryerase client for optimizations and cleaner code.
update file now sends a dirty rectangle
Import from https://bitbucket.org/amavect/whiteboardfs