Merge tag '0.2.5' into develop

Add contests subjects

* tag '0.2.5':
fix admin/helps index
edit button on main page
comb helps show
add db:seed for help
comb buttons on main page
comb main page
add admin pages controller
remove unused decorators
fix pages view
add pages index
Merge branch 'feature/add_pages' into develop

* feature/add_pages:
  add pages index
  fix pages view
  remove unused decorators
  add admin pages controller
Merge branch 'release/0.3.0'

* release/0.3.0:
  add pages index
  fix pages view
  remove unused decorators
  add admin pages controller
  comb main page
  comb buttons on main page
  add db:seed for help
  comb helps show
  edit button on main page
  fix admin/helps index