the CITATION file was outdated (still showed 0.6.0), fixed by a run of rkward_roxyPackage.R, which also applied some minor updates

git-svn-id: https://svn.code.sf.net/p/rkward/code@4978 7936002b-cd1d-0410-9ce3-d7ebf93b5162
updated roxyPackage script to 0.6.3

git-svn-id: https://svn.code.sf.net/p/rkward/code@4979 7936002b-cd1d-0410-9ce3-d7ebf93b5162