Add WYSIWYG editor to speakers
Change twitter link to be twitter handle instead
Add check to see if author is published before showing programme
Revert "Add check to see if author is published before showing programme"

This reverts commit d122e2d1b7031ab08611ee3154bc8985a79990f6.
Programme speaker published check, take two.
HABTM speakers <=> programmes
Order programmes on speaker page by category
Fix register spacing problem
Add "tour" category
Add industry track
Merge pull request #18 from uxsg/tweaks

Tweaks