Fix typo.
Check for presence of checkpointed model in KV store.
Merge branch 'master' into arno-deeplearning2
Add hit ratio computation for multi-class classifiers.
Remove invalid assertion.
Merge branch 'master' into arno-deeplearning2
Pass the correct domain to the hit ratio calculation.
Improve help description for hit ratio.
Merge branch 'arno-deeplearning2'