tweak summary of package

Change-Id: I3ab3c45857fe860dfd69d276c1a54609c75baf51
Add covert report to test output

Change-Id: I25967dd7f31975ad1a175238bdf311fc8860b4d9
ignore all coverage directories

Change-Id: Iec68bb5bb0dcae4eca9694d5dc2a0e99fe14fd8e
refactor stats handling and improve test coverage of db package

Change-Id: I118cc2fbe25994cb6adf92ecf7479cb6168c00ef
add tests for jsonutil module

Change-Id: I123c5c7c62d401c375a987002ccea21bf140a507
ignore test files in coverage report

Change-Id: If5ce53745c19a8ae5b78295e0dc4582f158e2b08