closes#4, Make printable version
- moves functions for creating and deleting hidden browser objects to scholar.js (from ingester.js), since these are necessary for printing as well
- allows saving bibliography in HTML or printing bibliography. style support is not yet complete (pending finalization of 0.9 version of CSL specification).
add Scholar.Cite and Scholar.CSL for parsing items into a bibliography using CSL. unfortunately, the output is not very good at the moment, and the format likely needs some changes, but I'm working with a few other people on getting it to that point.
