add admin manage category
add category in home page and in information
add group
add category
add about
add abount content
remove the unused gem
fixed when there is no category, error in home page
add about page
change login and register page
remove shop information more
add admin edit the category
remove some unused pages
refactor the information detail navigator
refactor site information nav
add category in information
add nav style
add ngprogress
split javascript file
add visit count