Merge branch 'release/7.x-0.6' into develop
added support for export to endnote and reworks
add manifestation action hook
_blank targets on links + added refWorks format
add heading, description + more to refexport
minor bugfixes
open cart action in new tab if defined.
Merge branch 'feature/80-export_refworks_endnote' into develop
Tagging version 7.x-0.7.
Merge branch 'release/7.x-0.7'