* Security: Update default content_security_policy_template
- Add 'strict-dynamic' back to script-src
- Add ws(s)://$ROOT_PATH to connect-src
- Change onEvent to on-event in angular templates to fix CSP issues in firefox.
- Add blob: to style-src
* GraphNG: Use new theme props
* Minor fix to letterspacing in button
* Minor tweaks
* Updated
* Revert to roboto
* Added concept of a dark or white base
* Style updates
* Sass
* Updated light text blue
* updates
* reverting button group design
* Fixed tests
* updates
* Updated tests
* Testing inter font
* new fonts and global styles
* Added Typography component and storybook
* Moving more global legacy types to emotion global styles
* Updated snapshot
* mapp bold to 500
* Updates
* Fixes and moved html & body styles to emotion
* moved helper function down
* Updated snapshot
* More tweaks
* Updates
* added internal tag
* Updated snapshot
Makes its possible to run grafana without internet access.
The performance hit by not using a cdn is very small since
most grafana instances are setup on locally.
closes#4223
