override twitter bootrap theme
change theme to 'Spacelab'
remove Item#tokens field
fix item meta header
gather duplicate process
add user followings and followers pages
fix title font size in item list
fix stocks page header
add post new item bottom in every sidebar
add tags#followers to show followers of each tag
remove user_table partial
rename user_sidebar to sidebar
fix global sidebar's list items
Merge branch 'pretty-up-templates'