Sidekiq integration
merge with master
add authorization for sidekiq
merge
simple gravatar integration
remove flash messages for successful sign in and sign out. Also modified respective tests.
Merge pull request #10 from 247DigitalGroup/gravatar

simple gravatar integration
Merge pull request #11 from 247DigitalGroup/task_18

remove flash messages for successful sign in and sign out. Also modified...
Merge pull request #9 from 247DigitalGroup/devise_async

Sidekiq integration
new campaign etc
Merge branch 'master' into adv_items

merge