GitLab

**Description**
 Make baseline check optional in data diagnosis and fix bugs.

**Major Revision**
- make baseline file optional in data diagnosis
- fix bugs of output in md and excel format when 'function' is not in the rule
- fix bug in multi_rules function that miss/failed test may failed the whole process

**Minor Revision**
- revise doc related with data diagnosis
- resolve warning message about baseline not found check, only raise exception if baseline not found in the  'variance' function
- move summary fields into top of json file
- unify 'Index','machine' -> 'index' in output file

**Description**
Rename field in data diagnosis to be more readable.

**Major Revision**
- rename fields according to diagnosis/metric format

**Minor Revision**
- change type of diagnosis/issue_num to be int

**Description**
Add failure check feature in data diagnosis.

**Major Revision**
- Add failure check rule op to support that if there exists metric_regex not been matched by any metric in result, label as failedtest
- Split performance issue and failedtest in categories


**Minor Revision**
- replace DataFrame.append() with pd.concat since append() will be removed in later version of pandas

**Description**
Fix bugs in data diagnosis.

**Major Revision**
- add support to get baseline of the metric which uses custom benchmark naming with ':' like 'nccl-bw:default/allreduce_8_bw:0'
- save raw data of all metrics rather than metrics defined in diagnosis_rules.yaml when output_all is True
- fix bug of using wrong column index when applying format(red color and percentile) in the excel

**Description**
Output results of all nodes in data diagnosis.