Import configparser for python3 compatability
Import configparser for python3 compatability

Attempt to load first ConfigParser and then configparser. At some point this
should be switched to do the python3 thing first.

Signed-off-by: Sebastian Spaeth <98dcb2717ddae152d5b359c6ea97e4fe34a29d4c@SSpaeth.de>

frioux/offlineimap,frioux/offlineimap