Removing unneeded calls to flush() (prepare to be WSGI-compatible).
Adding missing license in setup.py and RPM params in setup.cfg
Renaming markdown.* to avoid naming conflicts with MD module.
Fixing template name in mdpage.py
Adding query_by_attribute to persistence.
Implementing actual Page ORM class.
Moved /info page to INFO.md for later insertion into DB.
Compatibility with Python 2.{6,7}