Refactored to target API 28 and to use the ButterKnife library.#2

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danielPerez97 wants to merge 6 commits intoapbeers:developfrom

danielPerez97:butterknife

Commits on Nov 17, 2018

Refactored code to target Android API 28, and refactored all findViewById() calls to use @BindView and ButterKnife.bind().
doperez
committed

Commits on Nov 27, 2018

Set up refreshing bus routes to use RxJava, Retrofit, and refactored LiveMapFragment to be in Kotlin to use lambdas not available in Java 7.
doperez
committed

Commits on Dec 3, 2018

Stream of busses working on the Google Map
doperez
committed

Commits on Jan 15, 2019

Added disk caching using Glide and removed the flicker between buses updating.
doperez
committed

Commits on Jan 17, 2019

Began work on route filtering.
doperez
committed

Commits on Mar 13, 2019

Cleaned up RxJava streams using FlowableTransformers, route filtering being prototyped through hard-coding.
doperez
committed