Added support for custom functions in combineLatest.
Fixed testSingleSourceManyIterators
get the perf source working
Added the first of the perf tests
Reimplement 'subscribeOn' using 'lift'
Remove 'inner.unsubscribe'
Using inner and fix unit tests
Test Repeat with SubscribeOn
OperatorRepeat
Repeat with Count

- merging changes from https://github.com/Netflix/RxJava/pull/807
Subscribers/Observers.empty()
Merge pull request #828 from benjchristensen/repeat-operator

Repeat Operator
Merge pull request #827 from Applied-Duality/BugFixesSchedulers

Fixed cut & paster error in io scheduler
adding marble diagrams, see-also links to javadocs of new repeat() variants
Changing marble diagrams for repeat() variants to those that operate on a source Observable rather than a source item
[Issue #831] Fix for OperationJoin race condition
Take operator was breaking the unsubscribe chain

Fixes issue https://github.com/Netflix/RxJava/issues/830
Merge pull request #833 from benjchristensen/take-issue-830

Take operator was breaking the unsubscribe chain
Merge pull request #829 from Netflix/docs

adding marble diagrams, see-also links to javadocs of new repeat() variants
Merge pull request #822 from zsxwing/subscribeOn

Reimplement 'subscribeOn' using 'lift'