Android JavaRx RecyclerView Infinite scrolling
https://gist.github.com/ssinss/e06f12ef66c51252563e https://github.com/cymcsg/UltimateRecyclerView https://gist.github.com/dustin-graham/52eaaab1cb3a41aba444 http://android-pratap.blogspot.in/2015/06/endless-recyclerview-with-progress-bar.html