[idl] update yarp_idl_to_dir doc, reorganize pages
remove some static objects, see #245
remove another bundle of static objects for #245
add missing stubs to dynamixel driver
'friend <class>' -> 'friend class <class>'
Solved bug in yarpmanager (qt version) when sorting modules (by name, by id, etc) #246
[idl] enable missing tests on travis
remove redundant assignment
[idl] fix indentation in thrift output
adding prioritizing support of portcoreunits
using ACE to set thread priorities
setting future OutputPortUnit thread priority from admin messages
Simplifying PortCoreUnit thread prioritizing using existing ThreadImp::setPriority()
Thread scheduling policy can be set via Thread::setPriority()