delete some unused templates
consistent naming for dfp breakpoints
lowercase attribute names
console logs and jslint
correct attribute names
should slot refresh
jshint fix
only refresh ad if necessary
don't refresh if no breakpoint
Merge pull request #5840 from guardian/code-cleanup

Code cleanup
Merge pull request #5788 from guardian/refresh-ads-if-needed

Refresh ads only if needed
fix image http domain
fix image http domain
Merge pull request #5842 from guardian/page-meta-tags

Code cleanup
first stab at adding ad slot in liveblog
adding criteria
add/move ad slots
better var name
style ad slot; refresh ad
add interaction monitor