update K400 datatools to support preparation of K600 and K700

[kennymckormick]

Extend Kinetics-400 data tools to support data preparation of K600 and K700.

[codecov]

Codecov Report

Merging #254 into master will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #254      +/-   ##
==========================================
- Coverage   85.08%   84.98%   -0.10%     
==========================================
  Files          81       81              
  Lines        5276     5276              
  Branches      849      849              
==========================================
- Hits         4489     4484       -5     
- Misses        648      650       +2     
- Partials      139      142       +3     

Flag	Coverage Δ
#unittests	84.98% <ø> (-0.10%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmaction/core/evaluation/accuracy.py	92.30% <0.00%> (-2.57%)	⬇️

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[dreamerlin]

Need to update changelog and README.md : )

[kennymckormick]

Need to update changelog and README.md : )

In my last commit, I update the README file to show that we support the 3 versions of Kinetics datasets. But I'm not sure whether it's ur meaning. Is there anything else that needs to be updated?

[dreamerlin]

Need to update changelog and README.md : )

In my last commit, I update the README file to show that we support the 3 versions of Kinetics datasets. But I'm not sure whether it's ur meaning. Is there anything else that needs to be updated?

Yes I mean the README file for the whole repo

[kennymckormick]

@innerlee , seems OK to merge now.

[innerlee]

will take a look in the evening