Removed option for sum of clade credibilities from TreeAnnotator.

git-svn-id: http://beast-mcmc.googlecode.com/svn@6649 ca793f91-a31e-0410-b540-2769d408b6a1
added TODO

git-svn-id: http://beast-mcmc.googlecode.com/svn@6650 ca793f91-a31e-0410-b540-2769d408b6a1
Experimenting with a new summary tree.

git-svn-id: http://beast-mcmc.googlecode.com/svn@6651 ca793f91-a31e-0410-b540-2769d408b6a1
Experimenting with a new summary tree (just builds a consensus tree for now).

git-svn-id: http://beast-mcmc.googlecode.com/svn@6652 ca793f91-a31e-0410-b540-2769d408b6a1
Experimenting with a new summary tree (just builds a consensus tree for now).

git-svn-id: http://beast-mcmc.googlecode.com/svn@6653 ca793f91-a31e-0410-b540-2769d408b6a1