Print info during mainloop exec
Update dispatcher comment
FIX:better check to nofile setlimit when spawning a command
Correct errors when spawning a command

Several checks done to ensure worker/dispatcher consistency.
Merge branch 'develop' of github.com:mikrosimage/OpenRenderManagement into develop
Change log level dynamically

The loglevel is now taken from config.ini file, the reconfig WS will call each logger to change the level according the ini value.
This allow to enable DEBUG log without restarting the dispatcher.