Added marked.js as a submodule
Converted from PageDown to marked.js
Enabled markdown for content
Added syntax highlighting with highlight.js
Changed from submodule to nuget package
Removed unused CSS which interfered with syntax highlighting
Merge pull request #1125 from khellang/markdown-subset-support

Markdown subset support
Merge remote-tracking branch 'upstream/dev' into dev
Catch everything on the bg thread
Fix notifications page's 404, #1131
Merge pull request #1132 from JabbR/fix-notifications

Fix notifications page's 404, #1131
Merge remote-tracking branch 'upstream/dev' into dev