Create new API entity: ActivityContact (#CRM-14414)
Merge pull request #2845 from elcapo/activity-contact-api

Create new API entity: ActivityContact (#CRM-14414)
Add region to Case Activity form
HR-316 region name modification
Merge pull request #2919 from NileemaJadhav/HR-316

Add region to Case Activity form
CRM-13973-comment : fee amount block fix for change selection and edit/view particpant
CRM-13973 -comment : additional participant fixes : additional payment form fixes, change selection link appearance, status updation upon completion of payment