Add identifying classes to post actions
Simplify workspace menu toggling

Only use an active class. Don't add a disabled class since it didn't
do anything anyway.
Rename off canvas active class to "active-workspace"

Better to have a description class name. "active" on the page body
could mean anything.
Add a wrapper round the content region - needed for backbone js
Don't hide the leaflet attribution - we legally have to show this
Merge pull request #2 from ushahidi/feedback-from-robbie

Feedback from robbie