Made possible with Nexedi's buildout, which de-serialises python types
transparently.

Based on work by Romain Courteaud <romain@nexedi.com>.

add --disable-groonga-httpd instead of --disable-nginx to follow changes in groonga's configure script

version up : Java Runtime 7 Update 7 / 6 Update 35. remove JDK because we don't use it and we have no URL that requires no interaction.

Kept backward compatibility about "production" software_type.

version down : LibreOffice 3.5.6, that is the newer version for 3.5.x. LibreOffice 3.6.0 still has several issues, extension for exporting text is not txt but csv, and style.xml does not pass relaxng valiation.

cloudooo-instance is already implicitly pulled by
publish-cloudooo-connection-information.

cloudooo-json does not exist in parameter_dict.

Follow up c902ed4b.