(GH-105) show background color to separate states

This helps determine the difference when attempting to moderate from mobile
devices.
(GH-105) show reviewer gravatar next to moderation states

- When a package is in a waiting or updated status, it is helpful to see who
the moderator is that is/was dealing with that particular package so they can
follow up.
(maint) remove commented code
(GH-105) show the last published date while in moderation
(GH-117) show warning when packages are in moderation
(GH-134) show package id for install as lowercase