RF minor misc

- performance.rst, faq.rst
- code clean-up, comments
- setup.py description and classifiers
BF: find openssl, sdelete on Win

- tested on Win 7
DOC: initial efforts to handle no-meta-data

- idea: there should always be a meta-data file, if only to say
  "there's no meta-data"
RF: windows se_RSA routinely contains glop

- this is openssl 1.0.1e 11 Feb 2013 -- "Light" version
RF: windows bigfile test