Bumped package dependencies.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/r-dots@2009 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Version: 2.2.2 [2014-01-28]
o Added option 'R.matlab::readMat/v4/textMatrixCollapse' controlling
  whether MAT v4 text matrixes are collapsed into strings by row
 ("byrow"; default), by column ("bycolumn") or not at all ("none").


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/r-dots@2010 edb9625f-4e0d-4859-8d74-9fd3b1da38cb