Collective.recipe.supervisor

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- Fix supervisorctl to use unix_http_server if used
[Domen Kožar, NiteoWeb. Work sponsored by Hexagon IT]

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- Added support for unix_http_server additionally to inet_http_server
[Domen Kožar, NiteoWeb. Work sponsored by Hexagon IT]

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- Added support for the umask option of supervisord
[afrepuesmcmaster.ca]

- Move the credentials needed for authenticating with the supervisord
process from the supervisorctl script to the configuration
file. Because of bug 180705 of zc.buildout, scripts are made
world-readable. [afrepuesmcmaster.ca]

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- 'nocleanup' option of Supervisor is now configurable from Buildout
Patch from Damien Letournel

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- Quote the environment variables that are written in the supervisor
configuration file for eventlisteners, otherwise supervisor will not pass
them on correctly to for example memmon [Fred van Dijk]

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- 'childlogdir' option of Supervisor is now configurable from Buildout
[Jonathan Ballet]

- [include] functionnality in the supervisor configuration file.
See http://supervisord.org/configuration.html#include
[ycadour]