added glyphs file for CommCare HQ font
updated files for commcarehq webfont
added new icon for signature to commcare hq webfont
added styling for icons panel
aadded icon documentation
added icon css files to styleguide stylesheet imports
nav-stacked
removed unused template
add updated commcare hq font to hqwebapp/base.html
add new set of icons for dashboard and a couple for vellum
Merge pull request #4710 from dimagi/styleguide-iconz

Add Documentation for Icons to Styleguide