GitLab

**Description**
Support no matching rules and unify the output name in result_summary

**Major Revision**
- Support rule with no matched metrics in result summary
- Unify output file name to 'results-summary'

**Description**
Add result summary in excel,md,html format.

**Major Revision**
- Add ResultSummary class to support result summary in excel,md,html format.
- Abstract RuleBase class for common-used functions in DataDiagnosis and ResultSummary.