Added ability to pass an initial down event to ManipulationProcessors on construction.
Added ability to pass an initial down event to ManipulationProcessors on construction.

svn path=/trunk/libavg/; revision=5453

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