Merge pull request #229 from ratajczak/redesign

Fix submitted/updated dates, add search sort dropdown
Change message markup to enable messages to be targetted by ajax
Add any messages to ajax calls so that they are rendered when an ajax call is made
Add a message to let users know that they have voted on a term
Always render the messages holder but only render the messages if they are not empty.
Refine words to make the action after submitting a suggested definition clearer
Merge pull request #230 from noels/redesign

Redesign
Merge branch 'redesign' of github.com:datagovuk/dgu_d7.git into redesign