Fixed several issues with Oimo plugin
Fixed several issues with Oimo plugin

Bounding box process is now the same as in cannonPlugin.
The second pivot point has been added in 'createLink' -> forgot it the first time
Update functions prototype to be ok with the IPhysicsEnginePlugin interface
abow/Babylon.js,Kesshi/Babylon.js,RaananW/Babylon.js,jbousquie/Babylon.js,sebavan/Babylon.js,abow/Babylon.js,Hersir88/Babylon.js,RaananW/Babylon.js,sebavan/Babylon.js,sebavan/Babylon.js,Temechon/Babylon.js,Temechon/Babylon.js,Kesshi/Babylon.js,NicolasBuecher/Babylon.js,BabylonJS/Babylon.js,Hersir88/Babylon.js,NicolasBuecher/Babylon.js,Hersir88/Babylon.js,RaananW/Babylon.js,BabylonJS/Babylon.js,Temechon/Babylon.js,NicolasBuecher/Babylon.js,Kesshi/Babylon.js,BabylonJS/Babylon.js,abow/Babylon.js,jbousquie/Babylon.js,jbousquie/Babylon.js