Merge tag '0.2.0' into develop

add blogs

* tag '0.2.0':
add ruby version to Gemfile
fix blogs view
add propositions
fix input for propositiosn
add random propositions to all pages
fix controllers
Merge branch 'feature/add_actions' into develop

* feature/add_actions:
  fix controllers
  add random propositions to all pages
  fix input for propositiosn
  add propositions
  fix blogs view
Merge branch 'release/0.3.0'

* release/0.3.0:
  fix controllers
  add random propositions to all pages
  fix input for propositiosn
  add propositions
  fix blogs view
  add ruby version to Gemfile