liq| er|: update maya_physicalsky.pl
liq|: liquidMessage2() should not conatin "" and \n
liq|: a script which converts images to video with ffmpeg
liq| er| check|: check transform.scale!=0 to avoid the degenerated mesh.
liq|: +callback procedures for renderer:
-renderDiagnosticsProcedure  "liquidDiagnostic"
-cancelBatchRenderProcedure  "batchRender"
-showBatchRenderProcedure    "batchRender -showImage true"
-showRenderLogProcedure	     "liquidShowRenderLog"
-showBatchRenderLogProcedure "liquidShowBatchRenderLog"
-textureBakingProcedure      "liquidBakeToTexture"
-polyPrelightProcedure       "liquidBakeToVertices"
-renderingEditorsSubMenuProcedure  "liquidRenderingEditorsSubMenu"