seabird.Rd:  PIGU sorted first.  not sure why

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/fda@756 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
seabird:  eliminate newline from \item 

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/fda@757 edb9625f-4e0d-4859-8d74-9fd3b1da38cb