- cache socket connection to improve speed
- add extended_result keyword inside queue items metadata to redirect big results there and avoid to have remote get_queue() taking a lot due to the need to serialize big data
- complete 'reagent' part
- implemented most of the 'activator' functions
git-svn-id: http://svn.sabayonlinux.org/projects/entropy/trunk@2452 cd1c1023-2f26-0410-ae45-c471fc1f0318