Limit length of output lines by setting options(width)


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/dplr@776 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Don't repeat R computations when including graphics in the document.
Requires an explicit \includegraphics for each figure. On this
computer, the change cuts vignette build time from 18 to 11 seconds,
for the current vignette source.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/dplr@777 edb9625f-4e0d-4859-8d74-9fd3b1da38cb