Merge pull request #117 from mvexel/develop

improvements to ui, mainly challenge selection and (dis)appearing of elements
Adding not-yet-functional id code
typo
comma
Fixing some quote issues
Rewriting challenge help
Upgrading jquery
Adding access keys manually
Keys match access keys
small sidebar tweaks
Merge branch 'develop' of github.com:osmlab/maproulette into develop

* 'develop' of github.com:osmlab/maproulette:
  Keys match access keys
  Adding access keys manually
  Upgrading jquery
  Rewriting challenge help

Conflicts:
	maproulette/templates/index.html
adding unassign script to fix #118