improve revision
implement gulp revision fix issue #19 fix issue #23 fix issue #20
replace module  rimraf to del
remove unused deps
optimize package.json
update deps
move rev to not server mode
fix config
mute unused in srv mode
fix issue #24 add notify about coffeescript linter warnings and errors
turn on notifier only if server is start
add property isNotify
fix filters
fix rev for fonts
fix revision
add gulpconfig
repair image-preload
git gulp import
git gulp import
fix simple site