update copyright banner
reorganize folder structure
separate stylesheets
set manifest version
replace cake with grunt
remove Cakefile
also watch css and html files
improve options page styling
ability to copy generated emotee
cleanup emotee.coffee
restore copy message after new emoticon generation
update development instructions in README.md
fix errors in options page
add missing black color
improve styling for popup; add options link
show love <3
use grunt-replace to auto update version in manifest file from package.json
remove link to github issues from options page
update banner
pack version 2.0