Update android 28, Fix CI (#81)

Replacement of "compile" with "implementation" (#76)

Housekeeping: update dependencies, cleanup, etc

AsymmetricRecyclerView doesnt have to be final

Temporarily downgrade support lib version

fixes CI env variables username/password

Adds snapshots info to readme

Adds build badge

Adds build scripts

Adds travis config and deploy scripts

Implement proper view recycling

Fixes item counts for recycler view

Fixes demo horizontal spacing

Fixes RecyclerView itemViewType

Initial support for RecyclerView. Major refactoring