Added --blur option to checkspeed.py.
Added --blur option to checkspeed.py.

svn path=/trunk/libavg/; revision=7202

yyd01245/libavg,libavg/libavg,yyd01245/libavg,hoodie/libavg,hoodie/libavg,th3infinity/libavg,libavg/libavg,scotty007/libavg,yyd01245/libavg,th3infinity/libavg,libavg/libavg,hoodie/libavg,th3infinity/libavg,th3infinity/libavg,scotty007/libavg,scotty007/libavg,libavg/libavg,hoodie/libavg,yyd01245/libavg,scotty007/libavg