Misc: LDC-154 - events clean up, moved registration fields to new imagex_events_registration feature, remove offsite_url field
Added new event_external_link field (should be replace with common field field_link when core field instance issue is resolved)
Fixed "incompatible with core" issue on imagex_events
Merge pull request #5 from thomjjames/misc/event_registration_split

Misc/event registration split