added code to handle undefined ember routes
HG-63 added error handling for invalid paths; ember no longer crashes on unexpected urls
HG-63 cleaned up comments
small fix
Merge branch 'master' into HG-63-graceful-error-handling
Merge branch 'master' into HG-63-graceful-error-handling

Conflicts:
	views/layout.hbs
HG-63 indent[C
added observer to change the page title on model change
HG-55 does not display table of contents when there are no sections to link to in the article
re-added willInsertElement hook
HG-65 title now loads correctly on initial page load
HG-63 commented
HG-66 scroll to the top of article when model changes
HG-66 put scrolling code in willTransition route hook
HG-55 commented on possible bug in the ArticleView code
Merge pull request #76 from Wikia/HG-63-graceful-error-handling

Hg 63 graceful error handling
Merge branch 'master' into HG-55-table-of-contents-empty-fix
Merge branch 'master' into HG-65-rewrite-title-on-page-change
HG-66 scroll to top of page on transition
HG-65 added additional debugging code in integration test