restore default for groupHeaderTpl, but be explicit in case we want to refine it more
refine icon names, use differet icon for component detail header panel
Add support for anonymous user
Show admin/repositories only when there is an user (not for anonymous)
Add custom (-) trigger art and use that to delete search criteria
Add custom (x) trigger art, use that for search criteria to visually match the custom (-) art next to it.  Leave stock (x) usage asis.
Merge pull request #664 from sonatype/anonymous-user-ui

REVIEW: [NEXUS-6751] Anonymous UI
Use custom (x) trigger in quick search and grid filters
Only start/stop repository status pooling if repository grid is active
load minified fontawesome (only a tiny difference, but no reason not to use this)
[NX-414] when ?debug or ?debug=true is set on the request URL, use "debug" resources, otherwise use "prod" resources.
trace logging of params for sanity
drop trailing ','
[NEXUS-6752] add theme resources for headermode toolbar buttons
Update configuration so keep flavor outputs isolated
Make role tree scrollable