unused image deletion
Concierge - triadic color option
alternate, complementary color scheme (orange and aqua).
Revert "Concierge - triadic color option"

This reverts commit 2b998f1828338322f65ccce639adac2260446399.
Slightly lighter icons
Merge branch 'color-opt-duo' into gh-pages

* color-opt-duo:
  Slightly lighter icons
color: complementary