Update to Mahout 0.8

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@668 0d189622-dca1-7e23-9e30-e8815eb7bd2f
(Apparently JSP 2.2 needs version="2.1"?)

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@669 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Tiny change to use UTF8 constant

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@670 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Avoid response splitting issue

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@671 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Preliminary 1.0.2 release notes

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@672 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Update to Guava 15 and perform some type weakening

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@673 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Issue 87 Fix error when data set is quite small and can't be evaluated in some cases

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@674 0d189622-dca1-7e23-9e30-e8815eb7bd2f