Fix bugs in 6.5.16 and AOS

Bug fixes:
- Relationship fields could not be displayed in subpanels
- Reverted iCal/vCal to 6.5.14
- Misspelling in AOS_Contracts vardefs
- Publication key in Users edit view was limited to 25 characters, but
initialized with 36
- Added group name to AOS_Products_Quotes vardefs