authorization through facebook v0.1
finished authorization with gmail
update view
finished fb authorization
finished loggin with social networks
update permissions for social connections v0.1
improve code

move dotenv from development group for all groups
update code style of model validations
update authentications methods
update tests
update js event hendler for login popups
add index into db
rename authorization to authentication
adding avatar in social login
add user saving error handler
improve code style

replace hashrocket with colon
replace if-elsif-else with case
replace user authtications dependent
update code style for User.find_or_create_from_oauth
update naming in login spec test
move requires in devise.rb into begin of file
Merge branch 'master' into em-sign-up-socials

Conflicts:
	db/structure.sql
Merge pull request #66 from laudeego/em-sign-up-socials

Em sign up socials