* reorg the codebase + add/update READMEs in folders with research
* fix readme
* update pairing implementation papers
* Seperate hash-to-curve in its own folder, distinguish between norms, research and presentations
* Better markdown line breaks
* Add in-depth analysis of towers of extension fields for BN curve
* Fix Colm Ó hÉigeartaigh name and add Hash-to-Curve reference