Revert "Merge pull request #590 from guardian/revert-dev-error-tracking"
starting toolbar prototype
setting up reqwest code
hooking up to real endpoint
styling of panel's list
starting toolbar prototype
setting up reqwest code
hooking up to real endpoint
styling of panel's list
adding numbers data
updating js libs
transition of panel
store state in local storage
send extra data (e.g. ophan/omniture cookie)
adding hardcoded ad data
moving over to scss
timeout for ads to appear
full url; empty string if no cookie available
x-browser changes
reg ex checking bug