FEC-1569 #comment prevent continuous firing of player jsReady callback function #time 4h

After initial call from flash to jsCallBackReady function set a flag to
state that flash element is already initialised to prevent multiple
calls to the player that will result in multiple playerReady events to
be fired
Merge pull request #868 from kaltura/FEC-1569

FEC-1569 #comment prevent continuous firing of player jsReady callback f...