Add ruby code support

This adds a script for extracting text from ruby programs.
Ignore yet more words for ruby

I never realized how many keywords ruby had until I started trying to
list them all out...
added GPLv2 license information
removing unnecessary processing JARs
Makefile to build wordcram-cli as a JAR.

Default version committed in the wordcram-cli/lib directory so people can
check out the code and run the scripts immediately.