Renamed These to ReceiveY, introduced HaltL/R
Removed ReceiveY.apply/unapply (former These.apply/unapply)
Added haltL/haltR to wye + Implemented HalL/HaltR in AwaitBoth for feedR/feedL. ReceiveY is now sealed
Refactored WyeActor to accommodate HaltL/HaltR behaviour and fixed execution of cleanup code for left and right branch
reenabled interrupt spec, unedited head before halting wye to prevent SOE, removed some comments, fixed typo in haltR
changed bintray plugin version to 0.1.0
added more timeout to accommodate for slower test environments
Added missing cases to wye.dynamic1 and to wye.liftR
added runStep with tests
corrected fairness in leftBias to be more accurate
correctly renamed WyeSideOps
changed wye actor running to be `runStep` now. Changed the cleanup to use `run` instead of going through individual steps.
fix typo
Merge branch 'master' of github.com:scalaz/scalaz-stream into topic/these-receiveY

Conflicts:
	src/test/scala/scalaz/stream/ProcessSpec.scala
tweak a bit actorQueue for running the callbacks in strategy
changed runSpec such a cleanup is captured from awaits
Enhanced WyeActor so it interrupts the running requests from L/R on cleanup.
Fixed actor-queue specs that now race after changing execution order of async.Queue
Fixed queue actor to emit all elements in queue after S() was added to execute callbacks
Added runAsyncInterruptibly to wye step run