Merge pull request #1 from arichnad/master

display the value for inputs too
minor:  change a function name to be consistent
bitcoinx/ngcccbase#67:  remember color set on server

user gets color_set_hash for colors he entered

server remembers association of color_set_hash with a set of colors

Page can get color_set_hash in parameter, does lookup on server, gets color set, and proceeds from it

--upgrade (Abe36)
minor:  rename table