Updated NEWS.
WIP: All vignettes will be converted to knitr and are moved in this intermediate step to subfolder gMCP.
Converted all vignettes to knitr and adjusted Makefile and .gitignore. As soon as we drop support for R < 3.0 we can remove the fake Rnw-files and use the procedure described here: http://cran.r-project.org/doc/manuals/R-exts.html#Non_002dSweave-vignettes