added id attribute to comments button so the TOC link works
Revert "added id attribute to comments button so the TOC link works"

This reverts commit b74428600499759951b22a3a6efd55da4930de4d.
new custom action in ArticleRoute which helps jumping to article comments when the link in TOC was clicked
Revert "new custom action in ArticleRoute which helps jumping to article comments when the link in TOC was clicked"

This reverts commit eb846e0dc7aec7e9af64dbeead4cea7515e0048f.
added parsing page to integer since below we check its type, changed double quotes to single quotes in the ArticleComments component's template
do not load the template unless there are some comments
fixed issue with displaying wrong images by not checking type when setting isFirstPage and isLastPage; added Em.run.scheduleOnce()
CR changes: added types for variables in the pageObserver() method
fixed tests
removed comments from TOC for now
Merge remote-tracking branch 'origin/master' into HG-217
added troubleshooting section to README.md
CR changes: fixed typos
CR change: added missing space
CR change: added a comment
Merge remote-tracking branch 'origin/master' into HG-217
CR changes: created new integered version of a variable and used strict equality
Merge pull request #268 from Wikia/HG-217

HG-217 FOUC when loading comments