chore: upgradle gradle for Android Studio 1.0 updat
feat: setup RxBus Demo fragments
feat: add ui components of RxBusdemo
feat: add RxBus and singleton instantiation in all fragments
feat: using RxBus listen to taps and show the tap text event
fix: change tap text animation to simple alpha vs scaling
fix: assign subscription from AndroidObservable
feat: crude implementation of RxBus - uses buffer with tweaked settings
fix: use a debounced Buffer
feat: check for dead event condition before sending out bus events - hasObservers
refactor: move fragments/classes to make structure simpler
fix: remove direct lauching to Bus demo for dev
fix: change tap text size
feat: added RxBus example