IndexedContact inherit from AbstractIndex and index everthing
fix a bit on Cc and Bcc mail headers parsing
do not resolve ourself as a contact
do not raise when ContactLookup fail
some sandbox scripts.
- setup_cql.py: create cassandra models
- truncate.sh: truncate cassandra tables
- parse_mbox.py: parse an mbox file for a specified user
- conf.yaml: configuration used for test purpose