Merge pull request #11 from KellyBlack/black_dev

Updated the example for inheritance.
This push contains my first attempt at using inheritance and classes.  Having some issues with the build.  Something about undefined reference to ...
removing some .o files
This push contains the debugged version with the mass and stiffness matrices. I think there are couple function calls which could somehow be moved for speed, but we can worry about that a little bit later.
housekeeping. knock. knock.
Merge pull request #6 from funkayMan/funkay_dev

Funkay dev
Added a declaration for a loop variable. A couple Minor formatting changes.