add backend models
complete website main structure(without forum)
testing branch function
build board/post/comment view and create functions
complete backend rotator CRUD operations
complete backend intro, statute, organization, member(nested) CRUD operations
complete backend event, record CRUD operations
add adminNavbar
Adjustment for merge, might need rake db:migrate later
build admin management for boards, posts & comments
add authenticate admin to boards, posts, comments management
Merge branch 'kai_develop' of https://github.com/sunkai612/NTUGSA_site into kai_develop

integrating juin_develop main function
integrate juin_develop main functions