Set minimum height of table cell so they don't collapse if the cells are empty.
Add the preview classes to ephemera

This removes these classes if the editor decides to save while you're hovering
over one of the add column/row menu items.
fix bug in note title handling
Merge branch 'master' into placeholder-in-css
fix type selection for notes
Merge pull request #16 from oerpub/oerpub-ticket424-pull

Oerpub ticket424 pull
remove unused variable in note plugin
Merge pull request #6 from oerpub/placeholder-in-css

Moved placeholder logic out of Javascript and the DOM and into CSS
Merge pull request #19 from oerpub/block-switch

Block switch
some behavior tweaks for semantic block elements
remove crufty css in semantic block
Merge remote-tracking branch 'origin/master' into testing

Conflicts:
	src/plugins/oer/note/lib/note-plugin.coffee
Merge branch 'ticket-302' into testing