fix in slides
binding_of_caller gem
user has his own profile (friend)
en translations for devise views
attribute_entry helper
en translations for events
en translations for friends
en translations for groups
translations for layouts
translations for controllers
fixed language in pickers.js
polish translations
editing locale per user
Use decent exposure for events controller
Use decent exposure for friends and groups controllers
file renamed
I18n.enforce_available_locales
fix in user - friends relation
slides for test environment setup
binding.pry removed