Update to docs, remove some global vars from Profiling functions, add facility to fix scale of axes to iRVis tool.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/qfa@604 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
New version of OSX installer

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/qfa@605 edb9625f-4e0d-4859-8d74-9fd3b1da38cb