add user, client, admin
add helpers
hierarchy
add sessions controller for admin
design, sessions
add client_controller for admin
add clients view for admin
add client controller for user
make normal form when signed out
make view welcome index, fix radmin custom css
Merge branch 'feature/users' into develop

* feature/users:
  make view welcome index, fix radmin custom css
  make normal form when signed out
  add client controller for user
  add clients view for admin
  add client_controller for admin
  design, sessions
  add sessions controller for admin
  hierarchy
  add helpers
  add user, client, admin