fix cub (apache#7079)

V0.10.0 fix for dropout and crash issue (apache#7053)

* Apply Chris' changes from PR: apache#6773

* Dropout operator fix for issue: apache#6960

V0.10.0 fix for dropout and crash issue (apache#7053)

* Apply Chris' changes from PR: apache#6773

* Dropout operator fix for issue: apache#6960

V0.10.0 fix for dropout and crash issue (apache#7053)

* Apply Chris' changes from PR: apache#6773

* Dropout operator fix for issue: apache#6960

[R][DOC] update R installation guide (apache#6457)

Documentation update for ImageRecordIter (apache#6354)

* Document update for ImageRecordIter.

* Better ordering of description.

* Updated as per the feedback.

* Updated as per the feedback.

Fix search function for new toc (apache#6065)

* Fix search function

* Small fix

0.9.3 release 2

[RELEASE] v0.9.3 official release (apache#4767)

[Release] v0.9.2 MinPy compatible release