Adding test for TwitterClient filtration by BlackBlast
Merge branch 'master' of https://github.com/DonAbney/pcaWinter2014

Conflicts:
	src/main/groovy/com/pca/BlackList.groovy
	src/main/groovy/com/pca/TwitterClient.groovy
	src/test/groovy/com/pca/TwitterClientTest.groovy
Refactored some existing unit tests and code to use the new Tweet class
Merging changes with Master
Fixing a test case that conflicted with some of the latest master changes.  Beginning of Andy & Jim's implementation for filtering the blacklist on bad words.