Add BDD lettuce tests for studio overview toggle section feature.

the parent directory might not already exist, so we have to call makedir...

the parent directory might not already exist, so we have to call makedir with recursive=true to auto-create any parent folders

Feature/cas/speed editor

make sure we commit the course module first when importing. There's a sn...

Moving Static Component View Under Modal While Editing

make sure we commit the course module first when importing. There's a sneaky little ordering dependency where we can't save a static tabe until the course module has been saved. This is because - when saving a static tab - we have to scribble on the course module's metadata to point to it.

update timepicker to fix minutes bug

Course Overview Section Collapse/Expand Toggling

fixed it

Feature/cas/speed editor

Fixed time picker race condition for grace period. Still quirky in that

in rounds down times from :01-:09 to :00 (and perhaps others). I think
that's a bug or setting in timepicker.

change over the 'get all discussion models' to use get_items() which is ...

change over the 'get all discussion models' to use get_items() which is better supported in Mongo-backed stores

	be picky about x as marker for correct requiring it to be first
non-whitespace char on line, followed by whitespace, followed eventually
but another non-whitespace char
 	strip trailing newline from selection.