finished script, added BOM output file
added .tex, .pdf, gitHeadInfo.gin (last will be added to .gitignore next commit)
modified gitignore to exclude  gitHeadInfo.gin
made a small typo in gitignore
cleaned out stuff as per http://stackoverflow.com/questions/1139762/gitignore-file-not-ignoring/1139797#1139797 to remove gitHeadInfo.gin