Merge branch 'hotfix/fix_ckeditor_assets_trial_4'

* hotfix/fix_ckeditor_assets_trial_4:
  compile assets
Merge branch 'release/v2.0.0'

* release/v2.0.0:
  remove dangerous actions from user
  add index to subjects admin
  refactor locales
  remove posts form
  add subjects to admin
  add posts admin
Merge branch 'release/v2.1.0'

* release/v2.1.0:
  hierarhify posts into subjects
Merge branch 'release/v2.2.0'

* release/v2.2.0:
  fix redirection after signed in
  fix redirection aftes signed out
  fix admin auth
  add admin welcome
  use bootstrap 3
  fix subjects form links and makeup
  fix posts form links and makeup
  change root page
  use bootstrap 3
Merge branch 'release/v2.3.0'

* release/v2.3.0:
  add scopes to subjects
  modify posts makeup
  fix redirects in admin posts
change post title type
Merge branch 'release/v2.5.0'

* release/v2.5.0:
  change post title type
change text presence validation logic
add sortings to posts
Merge branch 'feature/remove_presence_validation_from_post_text' into develop

* feature/remove_presence_validation_from_post_text:
  add sortings to posts
  change text presence validation logic
lock posts show
Merge branch 'release/v2.6.0'

* release/v2.6.0:
  lock posts show
  add sortings to posts
  change text presence validation logic
add pry
fix tests
Merge branch 'hotfix/fix_post_locking' into develop

* hotfix/fix_post_locking:
  fix tests
  add pry