Fix indentation in error templates
Inline the 404 report-a-problem form.
Remove unused classes from html element on error pages

Also tidy up the partials.
Switch to use govuk_template for main views.

This commit only deals with the markup changes. CSS/JS changes to follow.
Switch chromeless template over.

This will require a version bump of govuk_template when a new version is released.
Remove some unused partials
Remove some unused javascripts.
Remove javascript that's duplicated in govuk_template
Replace the myriad cookie functions with the ones in govuk_template
Remove some IE js that's now in govuk_template
Remove basic and accessibility stylesheets.

These are in govuk_template
Remove header styles that duplicate stuff in govuk_template
Remove footer styles that duplicate stuff in govuk_template

Restore border between sections in footer.
Remove print styles that are duplicated from govuk_template
Remove normalize

This is messing with font styles when it and basics are included in a
different order.  It also isn't gaining us anything much.
Update browser help link
Pull in latest govuk_template

This adds the conditional to allow omitting the header for the chomeless
template.
Fixes for new header markup

Search toggle has moved out of div.header-logo.
This adds CSS for that, removes some redundant CSS
and adds a hover style.