git-svn-id: svn://svn.r-forge.r-project.org/svnroot/aroma-dots@3625 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
o Added doDownsample() for BamDataSet and FastqDataSet.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/aroma-dots@3626 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Forgot to add new file.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/aroma-dots@3627 edb9625f-4e0d-4859-8d74-9fd3b1da38cb