update matplotlibrc

Update the matplotlibrc to be compatible with matplobtlib 1.2.0
Merge pull request #55 from ayr0/matplotlib

update matplotlibrc
Merge branch 'master' into python
compile single labs

Wrote a script that would compile any lab.  It is designed to make
testing/writing labs easier.  The code is ugly, but it works.  Maybe
later I will clean it up and make it more readable (famous last words).
Merge pull request #56 from ayr0/makelab

compile single labs
wait for latex to finish

add call to wait for latex to finish.  Otherwise there will never be a
pdf file to copy.
Merge pull request #57 from ayr0/makelab

wait for latex to finish
fixed path separator

Use a platform-independent way to get the path separator.  This was
breaking on Windows boxes.

Also removed unused option -o.
code cleanup

Removed a completely unneccessary subclass of SafeConfigParser.
Merge pull request #58 from ayr0/makelab

fix dir separator
Introduce Vol2

Start Volume 2.
Merge pull request #59 from ayr0/vol

Introduce Vol2
Merge branch 'master' into python
more to idioms

Added explanation of namespaces to idioms.  Also removed a weird
renewcommand in command.tex.  We want arabic numbering.