add second part of README

git-svn-id: https://markus.cdf.toronto.edu/svn/csc207-2014-09/group_0909/app@152 8153ec5e-17d7-4962-8641-23ff7c14a8d4
more javadocs?

git-svn-id: https://markus.cdf.toronto.edu/svn/csc207-2014-09/group_0909/app@153 8153ec5e-17d7-4962-8641-23ff7c14a8d4