Added xml marshaller
* Fixed up processors to identify correctly types
* Added (in previous commit) Actor REST api (just started to work on it)
* Fixed content type detection from url
* Added xml_marshaller as a requirement
* advanced in REST actor service
* Added uuid capability to cryptomanager
* Used uuid capability from cryptomanager in downloads manager
* Fixed "old class" style forgot on Config :S
* State now uses ugettext_lazy instead o ugettext because can be used on
some classes and will fail with ugettext prior to translation
environment initialization