update due to r902

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/coin@903 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
the support of asymptotic null distributions is now NA

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/coin@904 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
use 'cospi' (with fallback for R < 3.1.0) for improved precision

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/coin@905 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
'dperm' returned non-sense for asymptotic max-type tests

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/coin@906 edb9625f-4e0d-4859-8d74-9fd3b1da38cb