fix super() calls, must use explicit class name

fix super() calls, must use explicit class name

self.__class__ is not correct.  For Python 2 we have to
explicitly use the class name

see http://stackoverflow.com/questions/4235078/how-to-avoid-infinite-recursion-with-super

Change-Id: I584ca565707b7331c1742fb33c8b524f7b7c9bf9
Signed-off-by: Ross Brattain <ross.b.brattain@intel.com>