heat-cfn: Handle parameters with = in them

Change-Id: Iee193169ec3dd583158ad929df20541ec210149b
uses os.urandom instead of Crypto.Random for backward compatibility

Crypto.Random has been introduced by pycrypto 2.1 but in RHEL6 and
derivates you will only find pycrypto 2.0.1

bug #1186022

Change-Id: Ib601981b0b8fcb5b3e8fc8761ee05adf7f6574fa
Merge "uses os.urandom instead of Crypto.Random for backward compatibility" into stable/grizzly
Bump stable/grizzly next version to 2013.1.3

Change-Id: Id5f00df4039b83b26d2ec0a2aaff8a5c16510b72