reference: Added missing Player.createCanvas() to offscreen canvas docs.
reference: Added missing Player.createCanvas() to offscreen canvas docs.

svn path=/trunk/libavg/; revision=7722

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