Fix regression in 2.12 for ie hack where LivefyreContentViews need to detach their buttons before setting innerHTML to nothing
2.12.6
Merge pull request #270 from Livefyre/fixIe9BugFix

Fix ie9 bug fix
FeaturedContents now has a FeaturedUpdater. FeaturedContents itself is now a Readable
Fix bug when handling annotation diff
Remove console.log
Revert annotator
Remove unnecessary override (ContentView#render)
FeaturedFilter transform checks for content.featured truthiness
Refactoring
Refactor annotation events. CollectionUpdater emits a single generic 'annotationDiff' event.
CollectionUpdater#createAnnotator now public method as required by FeaturedUpdater.
Introduced Collection#getOrCreateUpdater so FeaturedUpdater can retrieve a shared CollectionUpdater instance.
Update updater test to use CollectionUpdater#createAnnotator
Update tests for FeaturedContents stream
Add tests for FeaturedUpdater
Bump patch ver to 2.12.7