Fix base64 on Python 3 in yaql_functions.py
Fix base64 on Python 3 in yaql_functions.py

Don't add murano.tests.unit.dsl.test_engine_yaql_functions to
tox.ini. The test requires a new release of yaql to get the last
Python 3 fix (change Ia262ca3ff9ffaad618bde9c1157559e7320434ee).

Blueprint: murano-python-3-support
Change-Id: I8a42e9b31b13bd5075708c32130b1c2997971cb6

DavidPurcell/murano_temp,DavidPurcell/murano_temp,openstack/murano,DavidPurcell/murano_temp,openstack/murano,DavidPurcell/murano_temp