Ye Ol' π Shack

Added a setting to the "security" section in the conf that enables
emailing of excepion reports.

* Allow the definition of an http.script of "" (root)
 * Add file_server.uri to define where it pins in the URL space.

- Fixed issue in fcntl in posix file storage
- Fixed not-removing cookies in session interface
- Fixed acceping extended request method in HTTP API

Added a option to use non-cookies based session ID storage

Tests not implemented yet

- Moved explicit copyright notice to a singe
  file to simplify dual-licensing

controllable by misk.invalid_url_throws option that is false by default

- Added unit test that checks these timeouts

Now the internal web server should be much safer for the
dayly use

- Changed default number of threads from 5 to 5x#CPU
- Added support of fetching number of CPUs

for performance critical parts