add "Drag to add a new" instructions for the semantic elements
use blue for 'save' button that doesn't clash as much

Also change the module editor color because the previous orange just
clashes with everything i tried
Merge pull request #61 from oerpub/58371606-semantic-drag-instructions

add "Drag to add a new" instructions for the semantic elements
Merge pull request #63 from oerpub/58377678-better-save-color

use blue for 'save' button that doesn't clash as much
Merge remote-tracking branch 'origin/master' into 57878432

Conflicts:
	scripts/gh-book/gh-book.less