5e4127ae2a
Add's the configuration file option "dump_json" or command line options [-j|--dump-json] to have swift-dispersion-report output the report in json format. This allows the dispersion report to be more easily consumed elsewhere. There's also a few pep8 fixes and removal of unused imports. Change-Id: I2374311ccbef43e6bbae24665c9584e60f3da173