Creating TumblrPublishAgent
Merging to latest
Indent description block
Correcting services authentication button
Updated Gemfile.lock
Adding oauth check for upgrades for Tumblr
remove duplicate filter keywords
Adding spec, removing auth_check
Adding fake keys for tumblr testing
Merge branch 'master' of github.com:cantino/huginn
Do not capture stderr when reading heroku config.
Removes validation for non-service authentication
Adds validation for Tumblr class definition
Set origin and rebase on the master if it has not been done.

Fixes #521.
Do not fail when service is nil.
Check the presence of service in twitter_oauth_token & twitter_oauth_token_secret.
Refactor OmniAuth integration.

- Make use of Devise's OmniAuth integration.
- Merge config/initializers/omniauth.rb into config/initializers/devise.rb.
- Define button labels in config/locales/devise.en.yml.
- Fix devise's routes so we can use user_omniauth_authorize_path().
Merge branch 'master' of github.com:cantino/huginn
gem_dependency_check is an existing function that shouldn't be overwritten, but called
Remove the constraints on services callback, since there is a spec against it.