* example [rtj]
   -  added new abstract examples abstract.tex and abstract2.tex,
      and added the corresponding pdfs to the default target in Makefile.
* catenary.tex [rtj]
   - Introduced a few changes to the writeup, and changed the names
     of the graphics images from "shortcut" to "crosscheck" to make
     them more descriptive of their contents.
* syllabus.html [rtj]
   - Updated to the current version for Fall 2014.
* ddho.tex [rtj]
   - Made improvements to the data fitting procedure.
* fourier.tex [rtj]
   - Replace all references to MathCAD with Excel.
* example.tex [rtj]
   - Minor improvements to the layout for illustrative purposes.