Fix missing quote in POT


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rcmdr@544 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Bump version in POT to 2.1-0


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rcmdr@545 edb9625f-4e0d-4859-8d74-9fd3b1da38cb