create model role and role_category, config settings and improt master file csv
Merge pull request #1 from banlv54/create_role

create model role and role_category, config settings and improt master file csv
add navigation
Merge pull request #3 from dainghiavotinh/menu

add navigation
add twitter bootstrap gem
add base_controller
Merge pull request #4 from banlv54/base_controller

add base_controller
add team and group model