scheduler: separate method that rund task
scheduler: fixed warning on warong class name
scheduler: tasks are running with own priorities
tasks: some tasks need to have adjusted priorities
scheduler: epic workaround to make things faster

Its not a joke: we added a sleep to allow insertion of ebuild data
process lonely.

Just for the protocol: for my laptop (Dell Latitude E5520 with Xubuntu
12.04) first 93 tasks are done in 40 seconds