The server listen on an unix socket and wait for a json request which
look like :
  {"command": "/command/to/run",
   "timestamp": 0}

The server respond sending back the command it will run.

The server is single threaded on run each command only one by one.

If one command requested two times with the same time stamp, it
will be runned only once.

a simple script which download any http resource
and save it into a specified file_path

usage: onetimedownload URL FILE_PATH

When removing instance : chmoding directories that are not writable because some instances do 'chmod 555' on directories.

When editing software/instance profile, submit button is now named 'Save'. Old name ('Update') was misleading.

Squashed commit of the following:

commit b320e10451f60704f8bf17c3b15ed4760d7df705
Author: Romain Courteaud <romain@nexedi.com>
Date:   Tue Aug 30 16:48:28 2011 +0200

    Remove unwanted code.
    This will ease merging with the master.

commit 4bed989c16ede96ed49a698fb292d6df65afc5c3
Merge: 290b06b dd07d69e
Author: Romain Courteaud <romain@nexedi.com>
Date:   Tue Aug 30 16:36:54 2011 +0200

    Merge branch 'master' into usage_report

commit 290b06b12ea810918b59b9abe7b91becf9c8f702
Author: Nicolas Godbert <ngodbert@tiolive.com>
Date:   Wed Jun 1 10:41:38 2011 +0200

    Some fixes

commit 45735471d13c7eb98568408e07ae5b2023f6f57a
Author: Nicolas Godbert <ngodbert@tiolive.com>
Date:   Tue May 31 18:03:05 2011 +0200

    Modification of the methods which generate the XML report

commit b10d7ba05615d6c31d68350be8ae09e4020fbe5f
Author: Nicolas Godbert <ngodbert@tiolive.com>
Date:   Tue May 31 17:50:25 2011 +0200

    We count the CPU consumption time since the last XML report creation

commit b4abc09cb48664c026bab5acf26382ddca9537d5
Author: Nicolas Godbert <ngodbert@tiolive.com>
Date:   Tue May 31 17:39:47 2011 +0200

    Slapreport only generates a report if the database is not empty

In order to create subresource of /path/ it is required to use POST not PUT.

References:

 * http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.5
 * http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.6

Return 201 Created instead of 200 OK, whichis correct PUT response.

Ref: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html

This reverts commit d817f62c.

It is not required, as SlapOS node installation profile is responsible for
providing by default good (:= with networkcache) buildout environment.