Change maintianer and readme file to reflect that this is a fork
Remove vagrant file
Attempt at making the image smaller by removing unneeded files.

Things like src.zip (~20MiB) and the oracle jdk install file (~130MiB).
Container may need to be flattened to reduce image from ~720MiB to
~490MiB. See: http://tuhrig.de/flatten-a-docker-container-or-image/