Converted to a maven project. Removed build, output files, and jars.

Cleaned up import statements.
Added type arguments to LinkedList.
Added username and password input from commandline.
Added Readme.md and renamed original readme.
Replaced .gitignore and removed .gitattributes.
Added Warren Buffett.

Signed-off-by: Clint Pitzak <cpitzak@gmail.com>