edit Gemfile
edit database.yml to sqlite and pg
Merge branch 'feature/to_pg_and_sqlite' into develop

* feature/to_pg_and_sqlite:
  edit database.yml to sqlite and pg
  edit Gemfile
add test gems
edit application.rb
add auth_helper
add factory question
first test passed
Merge branch 'feature/test_coverage' into develop

* feature/test_coverage:
  first test passed
  add factory question
  add auth_helper
  edit application.rb
rename user to users
add new route to user
ad flash_messages
add users create
fix test
add bootstrap
add validates to user model
add locales
add locales to users newd
rename attributes in question
add validates to question