Added configuration for travis build.
It currently only works for volumes 1, 2, and 4, and takes a long time to
install all the LaTeX packages.
Merge branch 'develop' of https://github.com/byuimpact/numerical_computing into travis
Another attempt to get bbm fonts working on Travis build.
Fixed a typo and removed redundant test in Travis build.
Added folder containing mktexpk to path for travis build.
Commented out build of Volume 3 to avoid error from missing bbm font.
Merge pull request #639 from insertinterestingnamehere/travis

Implement Travis CI automated builds
Updated Travis build to include Volume 3.
Also fixed bug where no test script was run.
Merge pull request #641 from insertinterestingnamehere/travis

Updated Travis build to include Volume 3.
Modified source for Travis build widget in README.rst.
Merge pull request #642 from insertinterestingnamehere/travis

Modified source for Travis build widget in README.rst.
Implemented Upwind and Lax Wendroff in the Finite Volume lab.
Added solutions for MinMod and Superbee limiters to Finite Volume lab.
First complete draft of the Finite Volume Lab.
Merge branch 'develop' into finite_volume

Merge with develop
Merge pull request #644 from joshualy/finite_volume

Finite volume
Merge branch 'develop' into finite_element

Merge develop into finite_element