This commits adds support for postgres database.
Currently two fields are stored: the bloom filter and the topic.
Only the bloom filter is actually used to query, but potentially we will
use also the topic in the future, so easier to separate it now in order
to avoid a migration.
* Initial stab at CodeClimate configuration file
* Enabling everything to analyze usefulness of output
* Disabling some useless metrics
* Ignore static directory
* Disable similar code metric
* Exclude identical code in test files
* glob
* Reduce max file lines to 750
* Fix exclude pattern
* Exclude t/
* Up max file length + remove t directory
* Ignore t/ directory only for identical code metrics
* Exlcude patterns to exclude paths
* testing
* more testing
* reindent
* Revert back to excluding t directory