Added some missing cleanup targets to the Makefile

Added a .gitignore file

Noweb produces a lot of unversioned source files.  .gitignore keeps
track of them so they don't clutter up your `git status' calls and so
on.

Fixed a few minor typos

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@15 865a22a6-13cc-4084-8aa6-876098d8aa20

Fixed LaTeX typos

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@14 865a22a6-13cc-4084-8aa6-876098d8aa20

Fixed some other tension model bugs in tension_model_handler.

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@13 865a22a6-13cc-4084-8aa6-876098d8aa20

Passed INIT_MODEL() alterations on to the utility programs.

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@12 865a22a6-13cc-4084-8aa6-876098d8aa20

Fixed 'y > yub' error by reducing default tolerances min_d{x,y} in
tension_balance() and x_of_xo().  Now that this is known to be a
problem, I need to come up with a more permanent fix...

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@11 865a22a6-13cc-4084-8aa6-876098d8aa20

Fixed group implementation, still need to test it.

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@10 865a22a6-13cc-4084-8aa6-876098d8aa20

Added Fmax, xmin, and xmax options to k_model_utils

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@9 865a22a6-13cc-4084-8aa6-876098d8aa20

Added noweb dependency information to README

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@8 865a22a6-13cc-4084-8aa6-876098d8aa20

Added GSL dependency notes.

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@6 865a22a6-13cc-4084-8aa6-876098d8aa20

Added interpolating lookup table files.  They are from my interp_table package
(a GNU libavl spinoff), so they aren't included in sawsim.nw.

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@5 865a22a6-13cc-4084-8aa6-876098d8aa20

fixed some citation typos

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@4 865a22a6-13cc-4084-8aa6-876098d8aa20

Added sawsim.bib so sawsim.pdf will compile with citations.

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@3 865a22a6-13cc-4084-8aa6-876098d8aa20

added a README explaining how to get the makefile out of sawsim.nw

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@2 865a22a6-13cc-4084-8aa6-876098d8aa20

initial package import. version 0.4

git-svn-id: svn://abax.physics.drexel.edu/sawsim/trunk@1 865a22a6-13cc-4084-8aa6-876098d8aa20