UI: adds breadcrumbs in record and collection tmpl

* (closes #543)
UI: fixes html escaping for coll descriptions
records: fixes record in LHCb-Tools

* fixes template styling
UI: updates missing breadcrumbs in coll_pages
ispy: modify message for outside link

* (PR #564)
ispy: insert help question marks

* (PR #564)
ispy: add help popups

* (PR #564)
ispy: colors stay inverted after file load

* (PR #564)