git-svn-id: svn://svn.r-forge.r-project.org/svnroot/soiltexture@100 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
bug fixes

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/soiltexture@101 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
git-svn-id: svn://svn.r-forge.r-project.org/svnroot/soiltexture@102 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Finlise conversion of ternaryplot from S4 to S3

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/soiltexture@103 edb9625f-4e0d-4859-8d74-9fd3b1da38cb