mark "Preliminary":  Ping, testURLs, read.testURLs

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ecdat@153 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
delete asNumericDF from Ecdat;  keep in Ecfun

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ecdat@154 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
del camelParse fr Ecdat, keep in Ecfun

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ecdat@155 edb9625f-4e0d-4859-8d74-9fd3b1da38cb