--fix to save custom data on edit for absence
--upgrade function to add custom data for 1.2 stable version
Merge pull request #487 from divya-jose/upgrade

--upgrade function to add custom data for 1.2 stable version
Merge pull request #486 from divya-jose/test485

--fix to save custom data on edit for absence
Merge pull request #493 from civicrm/1.2

Merge branch 1.2 into master