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
Merge pull request #51 from oerpub/57878432

move auth and save buttons into editor panel header
copy change for toc element titles
Merge pull request #60 from oerpub/58359238-make-reordering-discoverable

58359238 make reordering discoverable
Merge pull request #64 from oerpub/58385154-remove-my-worksapce-from-picker

Remove "My Workspace" header from picker
Merge remote-tracking branch 'origin/master' into color-refactor

Conflicts:
	styles/variables.less
	templates/workspace/sidebar/toc-branch.html
Merge pull request #62 from oerpub/color-refactor

further color changes
add arrow in picker to advertise drag-to-TOC

Tried to make the mark-up relatively nonintrusive and limit the CSS to
gh-book.
Merge branch 'refs/heads/58379028-picker-drag-training-wheel' into testing

Conflicts:
	scripts/gh-book/gh-book.less
	templates/workspace/sidebar/toc-branch.html