allow setting cgroup dir mode
core: print a warning if the configuration section can't be read

Fixes #278
Merge pull request #280 from xrmx/warn-ini

core: print a warning if the configuration section can't be read
fixed a typo
fixed goto and pc in error and final routing
initial checkin of pypy plugin
Merge github.com:fijal/uwsgi
This was indeed temporary
try to fix retry engine
fixed file action status
Progress - now example wsgi runs
flush the pypy debug file
Add a copyright info
Merge pull request #285 from fijal/master

A sketch for a PyPy plugin
improved PyPy plugin
fixed pypy environ
more WSGI vars
removed uwsgi.py
updated pypy README
Update README