Annex the Admin Toolbox, re-style, add username, simplify

Fixes #853 and improves Admin Toolbox in general.

Remove the old Admin Toolbox styles from included themes.

The IDs have been changed, so old themes with toolbox styles should not have a problem.
Broken string
Merge pull request #860 from zenphoto/admin_toolbox_853

Annex the Admin Toolbox, re-style, add username, simplify
Use head filter for new toolbox because otherwise <style> is invalid
Typo's
Again...
Merge remote-tracking branch 'upstream/master' into upstream

Conflicts:
	themes/basic/styles/dark.css
	themes/basic/styles/light.css
	themes/effervescence_plus/base.css
	themes/garland/zen.css
	zp-core/admin-edit.php
	zp-core/admin-functions.php
	zp-core/template-filters.php
	zp-core/template-functions.php

	modified:   zp-core/template-functions.php
don't recurse dynamic albums
garbage collect failure