--CIVI-7, simplified and generalized code to all forms which includes From email address.
--CIVI-7, added form rule to check from address before sending mail
--CIVI-7, Added code to check for valid from Email Id during Install and Enable of Extension
-- CIVI-7 Added Upgrader to upgrade the extension
Merge pull request #12 from pradpnayak/CIVI-7

Civi 7