Added a confirm dialog for requesting builds

- Added unit tests for exposed data from rtGlobal
Merge branch 'staging' into feature/friendly-reminder-high-load

Conflicts:
	www/prod/script/main.js
	www/prod/script/main.js.map
Added a priorities to builds within their own builders

- Priorities are from 0 to 100 where 0 is the lowest priority and 100 is the highest
- The higher priorities are locked behind an is_admin user property (currently can only be edited in the db)
- The priorities are based only on the builders and are not global to all builds
Added tags to builders

- Tags can be added in the BuildConfig method
- Added a way to sort and filter the tags
- Added unit tests for testing the tag filter
Merge branch 'staging' into feature/build-priority

Conflicts:
	master/buildbot/process/builder.py
	www/prod/script/main.js
	www/prod/script/main.js.map