ir2d() supports vector arg, document NEWS since version 1.0-2 from 2011

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/geo@64 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Improve ir2d ifelse() syntax

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/geo@65 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Release 1.3-2

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/geo@66 edb9625f-4e0d-4859-8d74-9fd3b1da38cb