buildout.cfg: changed isolated python version to v2.7.6.20
buildout.cfg: adding pyftpdlib to requirements
buildout.cfg: adding Flask-AutoIndex to requirements
buildout.cfg: adding pysendfile to requirements
work-in-progress of a number of things

* breaking down the huge app_repo modules into smaller parts
* stable/unstable indexes
* pure-python ftp and web servers (removing the needed for external dependencies)
** separating rpc,web and ftp to separate processes