* removed unsused grafana-icon classes, replaced grafana-icons with gicons

* replaced old dashboard and datasource icons with gicon, fixed so icons on plugin list are shown

* removed unsused grafana-icon classes, replaced grafana-icons with gicons

* replaced old dashboard and datasource icons with gicon, fixed so icons on plugin list are shown

* replaced fontawesome cog, eye, link and edit with gicons

* updated snapshot

* fixed color of cog in dashboard nav, removed icons from buttons, ran preitterier on some files

* changed opacity on getting started icons and fixed getting started button

* .5 -> 0.5 fix for prettier