Merge pull request #8 from tomgalloway/master

Manage User & Groups pages now display correctly but don't do anything yet.
Merge pull request #9 from tomgalloway/master

Add User & Delete User now works correctly.
Merge pull request #5 from NickDaly/master

Stuff James Will Like
combine build and vendor dirs
use packaged version of cherrypy, adjust install instrux to suit.
delete withsqlite from distrib
pull withsqlite from github
add cherrypy3 to Makefile, clean up some git
s/build/vendor/
cleanup
fix exmachina import
bump copyright year
handle pidfile missing from cfg.py
s/_DIR/DIR/
write cherrypy.config if needed
remove cherrypy.cfg from default
remove dead code line
s/build/vendor/
standard plinth config
move to ini file and config parser