Add .gitignore file -- this is probably overkill

.gitignore

@@ -0,0 +1,67 @@
+*.a
+*.aux
+*.bc
+*.boot
+*.bz2
+*.cmi
+*.cmo
+*.cmx
+*.cp
+*.cps
+*.d
+*.dSYM
+*.def
+*.diff
+*.dll
+*.dylib
+*.elc
+*.epub
+*.exe
+*.fn
+*.html
+*.ky
+*.ll
+*.llvm
+*.log
+*.o
+*.orig
+*.out
+*.patch
+*.pdf
+*.pg
+*.pot
+*.pyc
+*.rej
+*.rlib
+*.rustc
+*.so
+*.swo
+*.swp
+*.tmp
+*.toc
+*.tp
+*.vr
+*.x86
+*~
+.#*
+.DS_Store
+.cproject
+.hg/
+.hgignore
+.project
+.settings/
+.valgrindrc
+/*-*-*-*/
+/*-*-*/
+/Makefile
+/doc
+/target/
+/test/
+/tmp/
+TAGS
+TAGS.emacs
+TAGS.vi
+\#*
+\#*\#
+src/.DS_Store
+tmp.*.rs