Added 2 methods for setting the background color of the Elastic view. It should take in either an int color or a String and parse the color. If the string is null or the parsing fails, nothing will be set and it will retain the original color

Adjusted text and changed catch argument. Omitted an e.printStackTrace() as I was unsure if it was desired. Let me know if you want it implemented.

e.printStackTrace(); under catch for null Strings or bad color parsing strings sent

Added the ability to set the background color

As "compile" is going to be deprecated end-2018, this PR replaces with "implementation" that is the new usage.

Replacement of "compile" with "implementation"