Message regarding snap-ci shutdown announcement

Change hashtag to #BGC_JHB

Fix rubocop offense

Allow a new event #blackgirlscode :-)

Move access_token to before_action callback

Merge pull request #4 from jlucasps/fix/instagram-new-policy

Fixes rubocop guard clause and useless assignment

Removes tests for removed authentication methods

Refactor access_token use to the instagram client

Fixes default image url

Refactor controller to insure that params always contains railsgirls

Removes java script from application html template

Removes routes to unusable methods

Removes authentication that wont work for this kind of application

Removes app client id and secret, because you must have an authorized app since june 2016