Updated to RxJava2 and Implemented Lambdas Where Possible#3

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sgarfinkel wants to merge 2 commits intomrmitew:masterfrom sgarfinkel:master

+196-506

Commits on Sep 29, 2017

Updated to RxJava2, updated SDK and Android dependencies
sgarfinkel
committed

Commits on Sep 30, 2017

Cleaned up Manifests, removed unecessary code, fixed the Discovery Activity to use RxJava2.
sgarfinkel
committed