doc: fix a broken link

Fix typo in docs

Remove extra `of`

feat(plugins): good progress on converting query editors, graphite's query ctrl is now working as is unit tests

Conflicts:
	public/app/features/panel/panel.ts
	public/app/features/panel/panel_directive.js
	public/app/plugins/datasource/grafana/module.ts

removed /app route, confusing when some assets use public/app/.. route and some use just app/... all public static assets should no use public route, app route is no more

Log fixes

Allow the use of auth and credentials in opentsdb