First try at alternate config layout

Also includes a npm run dev command for browserify/less source maps
Hide reset branch section if master
Move branches above provider nav
Pad plugin nav to distinguish
Allow to visit project links when branch is mirror
Fix branch switching and link post customize
Mention that plugins are enabled for the branch
Change wording on plugins page
Merge branch 'master' into new-config
Merge pull request #629 from knownasilya/new-config

Alternate project config layout