add group
remove group styles
remove styles
add group creating function
recogenize the js and css
remove files
	deleted:    app/assets/font/IcoMoon.eot
	deleted:    app/assets/font/IcoMoon.svg
	deleted:    app/assets/font/IcoMoon.ttf
	deleted:    app/assets/font/IcoMoon.woff
	deleted:    app/assets/font/LICENSE.txt
	deleted:    app/assets/font/opensans-bold-webfont.eot
	deleted:    app/assets/font/opensans-bold-webfont.svg
	deleted:    app/assets/font/opensans-bold-webfont.ttf
	deleted:    app/assets/font/opensans-bold-webfont.woff
	deleted:    app/assets/font/opensans-light-webfont.eot
	deleted:    app/assets/font/opensans-light-webfont.svg
	deleted:    app/assets/font/opensans-light-webfont.ttf
	deleted:    app/assets/font/opensans-light-webfont.woff
	deleted:    app/assets/font/opensans-regular-webfont.eot
	deleted:    app/assets/font/opensans-regular-webfont.svg
	deleted:    app/assets/font/opensans-regular-webfont.ttf
	deleted:    app/assets/font/opensans-regular-webfont.woff
	deleted:    app/assets/font/opensans-semibold-webfont.eot
	deleted:    app/assets/font/opensans-semibold-webfont.svg
	deleted:    app/assets/font/opensans-semibold-webfont.ttf
	deleted:    app/assets/font/opensans-semibold-webfont.woff
	deleted:    app/assets/images/detail-appbar-1.png
	deleted:    app/assets/images/glyphicons-halflings-white.png
	deleted:    app/assets/images/glyphicons-halflings.png
	deleted:    app/assets/images/rails.png
	deleted:    app/assets/javascripts/bootmetro-charms.js
	deleted:    app/assets/javascripts/bootmetro.js
	deleted:    app/assets/javascripts/bootstrap.js
	deleted:    app/assets/javascripts/groups.js.coffee
	deleted:    app/assets/stylesheets/bootmetro-charms.css
	deleted:    app/assets/stylesheets/bootmetro-tiles.css
	deleted:    app/assets/stylesheets/bootmetro.css
	deleted:    app/assets/stylesheets/bootstrap-responsive.css
	deleted:    app/assets/stylesheets/bootstrap.css
	deleted:    app/assets/stylesheets/datepicker.css
	deleted:    app/assets/stylesheets/icomoon.css
	deleted:    app/assets/stylesheets/metro-ui-light.css
add the funtionality of adding follow to group
add the add user to group functionality
refactor the add and modify group
complete the baisc crud operations of group
fix the user's group bugs
remove fiels