Add combined browser + os stats
Added a caption to the table
total views
total views for os, browser, and combined
A stab at filtered tables in Browser stats
Added Windows versions legend
Remove totals from the html
Spruce up UI
Filter string is now a regular expression
Merge branch 'master' of https://github.com/guardian/frontend into browser-support-tables-os

Conflicts:
	admin/app/tools/Analytics.scala
	admin/public/css/style.css
Merge pull request #1279 from guardian/browser-support-tables-os

Add combined browser + os stats