Open links in lightbox if it has a fully qualified url and is on the same domain
making read more buttons react as links without behaving as ushc

Conflicts:
	django-verdant/rca/static/rca/js/site.js
Fix javascript error if there are no filters provided for research_listing.html
Don't open links with dots in the url in the lightbox
Merge remote-tracking branch 'frayling/feature/events-add-option' into develop
had to customise jquery.pjax.js to include body classes in data captured about target page. Added those body tags to .pjax-content to improve display of lightbox content
comments
merged develop