- updated release SOPs (w.r.t. NEWS.Rd)
- updated NEWS
- import parallel to make R CMD check happy
- changes in .Rbuildignore and .RbuildignoreCRAN w.r.t. NEWS.Rd


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mboost@798 edb9625f-4e0d-4859-8d74-9fd3b1da38cb