Replace grid filter icons with glyphs.  Need to pick either search/filter glpyh
rename *_glyph -> glyph_*
Show artifact information panel if was hidden due to a previous 404

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Merge remote-tracking branch 'origin/master' into NEXUS-5755-kill-plexus-from-cfg