fixed untracked files
organized imports
updated Adapters to follow ViewHolder pattern
added basic divider between title and comments
hide divider while loading
StateListDrawable for reddit posts background

fun with color
fix crash on config change during loading

This is a bandaid.  Ideally, the Retrofit network thread would persist
through the configuration change.
This just makes the app restart the network call without crashing.
move background color to helper method

Also, use 0 as parameter in ArrayAdapter's super call
Merge pull request #1 from NightlyNexus/master

Prevent a crash and odds and ends