move save and auth buttons into editor header
indicate current user in auth dropdown
s/change book/change repository/
Allow popovers to be attached to buttons.

These popovers will be activated once to guide the user to functionality
whenever the aloha toolbar plugin flashes the button.
move some css around
Merge remote-tracking branch 'origin/master' into 57878432

Conflicts:
	styles/workspace/workspace.less
Merge remote-tracking branch 'origin/master' into 57878432

Conflicts:
	styles/workspace/workspace.less
further color changes

I changed the green/teal/orange slightly from the mock-ups, since they
were looking off on some monitors. Hopefully this is better. This also
has further color changes, mostly related to tree highlighting.
Better styling for paste popover, more descriptive text.
move content-pannel height declaration into gh-book.less
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 remote-tracking branch 'origin/master' into discoverable-copy-paste

Conflicts:
	templates/workspace/menu/toolbar-aloha.html
Reword the comment about what this does.
Remove "My Workspace" header from picker
Merge remote-tracking branch 'origin/57878432' into testing
Merge remote-tracking branch 'origin/discoverable-copy-paste' into testing
Merge remote-tracking branch 'origin/color-refactor' into testing

Conflicts:
	templates/workspace/sidebar/toc-branch.html
Merge remote-tracking branch 'origin/58377678-better-save-color' into testing

Conflicts:
	scripts/gh-book/gh-book.less
	styles/variables.less
Merge remote-tracking branch 'origin/58385154-remove-my-worksapce-from-picker' into testing