Undo move to Guava 15 -- clashes with Hadoop dependency

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@675 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Standardize Mahout excludes

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@676 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Remove unneeded load factor / max size from Fast* classes

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@677 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Minor fixes from code inspection

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@678 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Update Tomcat, Commons Compress versions

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@679 0d189622-dca1-7e23-9e30-e8815eb7bd2f