Implemented title matches content
Merge branch 'test' of https://github.com/sz-cs130/seo-tool-team2 into test
Added two new metrics TitleMatchContent and DescriptionMatchesContent.
Added recommendations for both.
Bug fixes for other recommendations.
Merge branch 'master' into test

Conflicts:
	webapp/src/main/java/com/shopzilla/ucla/cs130/seotool/team2/webapp/WebApp.java
multi-threaded the metric gathering:
performance greately improved.
cleaned up prints used for debugging and testing