Reimplemented Last operation
Draft group by implementation
Concurrency improvements
Updated Observable API
copyright update
Removed static methods delegations
Merge branch 'groupby' of git://github.com/mairbek/RxJava into groupBy-review
Refactor to eliminate need of delegate methods for GroupedObservable
Move GroupedObservable to rx.observables
Merge pull request #179 from benjchristensen/groupBy-review

Operator GroupBy Pull Request - Review and Refactor
bulk import organize and code formatting
making sequenceEqual private methods public

These should be public as part of issue https://github.com/Netflix/RxJava/issues/76
Cleanup various compiler warnings.
Merge pull request #180 from benjchristensen/formatting-and-cleanup

Formatting and cleanup
Add OSGi manifest headers

https://github.com/Netflix/RxJava/issues/154

I can't confirm that these work but submitting based on discussion on issue #154.
Subscriptions utility class and rx.subscriptions package

https://github.com/Netflix/RxJava/issues/173
0.6.0-SNAPSHOT

Bumping to 0.6.0 as about to commit some breaking changes and new packages.
Version 0.5.5
Merge pull request #181 from benjchristensen/osgi

Add OSGi manifest headers
Merge pull request #182 from benjchristensen/issue-173-subscriptions

Subscriptions utility class and rx.subscriptions package