allegro/ralph — pull request #823 by andrzej-jankowski (2014-03-31 18:37:31+00:00)
Title: DHCP and Environments improvements

* SET_NULL on delete
* remarks field added
* DHCP networks config - DNS Servers are now required
* DHCP configs - comments fix
* DHCP configs - could be generate for many Evironments or Data Centers
* tests improvements