scale and weight has been swapped in the last update. switch back to correct assignment.
scale and weight has been swapped in the last update. switch back to correct assignment.

git-svn-id: 67bc77c75b8364e4e9cdff0eb6560f5818674cd8@996 ca793f91-a31e-0410-b540-2769d408b6a1

svn2github/beast-mcmc,armanbilge/BEAST_sandbox,svn2github/beast-mcmc,armanbilge/BEAST_sandbox,svn2github/beast-mcmc,svn2github/beast-mcmc,svn2github/beast-mcmc,armanbilge/BEAST_sandbox,armanbilge/BEAST_sandbox,armanbilge/BEAST_sandbox