Scheduler.inner() for Core
Scheduler.inner() for Language and Contrib Modules
inner() -> createInner()

See https://github.com/Netflix/RxJava/issues/997#issuecomment-40818768
degreeOfParallelism() -> parallelism()

https://github.com/Netflix/RxJava/issues/997#issuecomment-40819656
Merge pull request #1047 from benjchristensen/scheduler-0.18-with-inner

Scheduler Simplification
0.18.0-SNAPSHOT
Remove ExecutorScheduler - New ComputationScheduler

- see https://github.com/Netflix/RxJava/issues/711 and https://github.com/Netflix/RxJava/issues/713
Merge pull request #1048 from benjchristensen/executor-scheduler

Remove ExecutorScheduler - New ComputationScheduler
Move rx.joins to rxjava-joins module

Migrating rx.joins into a separate contrib module as part of roadmap to 1.0: https://github.com/Netflix/RxJava/issues/1001#issuecomment-40390984
This is being done until the rx.joins API has further time to mature as it is likely to change and we can't make breaking changes any further once we hit 1.0.
Merge pull request #1049 from benjchristensen/joins-module

Move rx.joins to rxjava-joins module