2007-02-26  Douglas Creager  <douglas.creager@comlab.ox.ac.uk>

	* lib/rake-latex/figures.rb: Adding "includes" parameter for
	Gnuplot figures.

	* lib/rake-latex/latex.rb: Only run latex/pdflatex twice *after*
	bibtex has been run.  PS file only depends on DVI file, not on any
	of the source files.

	* lib/rake-latex/vega.rb: Adding support for vega code listings

	* lib/rake-latex/figures.rb: Adding support for Gnuplot-based
	figures

2006-11-28  Douglas Creager  <douglas.creager@comlab.ox.ac.uk>

	* Rakefile: Add support for generating .tar.gz archives.  Don't
	require rubygems package to build .tar.gz.