Adds gruntfile to compile CoffeeScript and the compiled script.
Add dependencies in package.json for both grunt and the library itself.
Revert "Parses file automatically on initialization."

This reverts commit 8fa6617f833acfb961eb94243c99083afb66e028.
Compile change into zotero-bibtex-parse.js.
Update readme and package.son for v1.0.0.