Should check to make sure the callback exists before using it.
Don't use underscore in var name
Merge pull request #166 from Livefyre/make_request_callback_optional

Make request callback optional
Fix modal hide bug where body's overflow is hidden
Remove setting overflow to auto, as it's already done in #hide method
New button and command components.
Adding my base command for when authorization is required.
Fixes to work with streamhub-input.
Add buttons programatically to each content source view
Add extended HubButton. Move default buttons of like/reply/share into ContentView
Hide reply button for now. Fix positioning of like button icon
Add like button. Add test for checking that Like button only appears on non-Twitter content items
Add tests for lazily adding contentLike.hub event listener
Add HubToggleButton for like button. Update StateToContent to handle v3.0-style opine.
Fix broken tests
Move programmatic button creation into LivefyreContentView
Add Liker to submit like/unlike requests. Handle streaming like/unlike.
Update spec-list to include tests for livefyre-content-view
Hint'd fixes
Fix typo