fixed figures and other things

Fixed a problem with figures not being arranged properly.  Also fixed
other things in the name of style.
final touchups

regenerated the figures to have a more pleasing colormap.
Other various changes in the first complex integration lab.
make figure larger

removed unneccessary scaling option.
Python code needed to generate the figures
various fixes to the second lab

Reorganized some of the definitions in Vol1.tex as well.
small typo fixes

Added a set and setconstruct command to make defining sets look and feel
nicer.
Merge pull request #5 from ayr0/complex_integration

Minor fixes to the Complex Analysis labs
Merge branch 'complexint' of github.com:insertinterestingnamehere/numerical_computing into complexint
Merge branch 'master' into complexint
Merge pull request #67 from insertinterestingnamehere/complexint

Update to the complex analysis labs