- barycentric transformation added for initial conditions in SIR example
- probe matching and trajectory matching are now done using a unified optimizer (in 'minim.R')
- the 'gr' and 'eval.only' arguments have been removed from 'probe.match' and 'traj.match'
- 'probe.match.objfun' and 'traj.match.objfun' are now exported S4 methods
- some changes to the underlying structure of 'probe.matched.pomp' and 'traj.matched.pomp' objects
- access to slots in 'probed.pomp' is now available via the '$' operator
- RNG seed is now stored in 'probed.pomp' objects if set
- in 'pomp', when dprior is unspecified, the default (flat, improper) prior is sought in the 'pomp' package


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pomp@895 edb9625f-4e0d-4859-8d74-9fd3b1da38cb