Careful With That Global Search And Replace, Eugene.
Fix problem with Observable.create(); Avoid use of deprecated methods
Merge pull request #786 from Netflix/docs

Careful With That Global Search And Replace, Eugene.
Merge pull request #787 from MarioAriasC/master

Fix problem with Observable.create()
improve switchOnNext description in javadocs
repair anchors in links to RxJava wiki in javadocs
Observer+Subscription -> Subscriber
Subscriber and Observer

-> Restore Observer interface
-> Subscriber implements Observer, Subscription
Merge pull request #791 from Netflix/docs

improve switchOnNext description in javadocs
Subject reverted to Observable+Observer

- rxjava-core is passing all unit tests
- other modules are failing
working on stuff
Restored use of Observer in most places
Fix Scala Build
Merge pull request #793 from benjchristensen/subscriber-observer

Observer + Subscriber
Add Subscription.isUnsubscribed()
Merge pull request #796 from benjchristensen/subscription-isunsubscribed

Add Subscription.isUnsubscribed()
0.17.0-SNAPSHOT

Preparing for release of 0.17