Adding redcarpet
Improving exercise edit & show
Rendering markdown
Instantiating makdown only once

It is an expensive, sharable object
Merge pull request #11 from uqbar-project/feature-markdown-description

Feature markdown description
Using uqbar build in Readme
Adding short description in readme
Using tables in home
Removing backs
Fixing hljs background display
Better display of submissions/show
Adding new submission link
Cleanup
Adding acts_as_taggable
Simple wiring of tags
Simple search by tag
Delimiting by comma or space
Merge pull request #14 from uqbar-project/feature-tagging

Feature tagging
Adding remote flavour of haskell plugin
Fix to elements order in home