Add error function to vtk:mouseInteraction RPC
Add error function to vtk:mouseInteraction RPC

Display errors to the console rather than swallowing them.

Change-Id: I419147d7f8420046db7fb9b54035444285c99787

mspark93/VTK,candy7393/VTK,mspark93/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,gram526/VTK,gram526/VTK,hendradarwin/VTK,keithroe/vtkoptix,jmerkow/VTK,gram526/VTK,gram526/VTK,jmerkow/VTK,candy7393/VTK,demarle/VTK,keithroe/vtkoptix,sankhesh/VTK,SimVascular/VTK,keithroe/vtkoptix,gram526/VTK,sankhesh/VTK,sumedhasingla/VTK,hendradarwin/VTK,SimVascular/VTK,demarle/VTK,demarle/VTK,sankhesh/VTK,keithroe/vtkoptix,jmerkow/VTK,gram526/VTK,msmolens/VTK,johnkit/vtk-dev,johnkit/vtk-dev,ashray/VTK-EVM,ashray/VTK-EVM,candy7393/VTK,sankhesh/VTK,jmerkow/VTK,jmerkow/VTK,hendradarwin/VTK,msmolens/VTK,jmerkow/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,mspark93/VTK,sankhesh/VTK,ashray/VTK-EVM,sumedhasingla/VTK,sumedhasingla/VTK,johnkit/vtk-dev,demarle/VTK,mspark93/VTK,msmolens/VTK,candy7393/VTK,candy7393/VTK,jmerkow/VTK,ashray/VTK-EVM,keithroe/vtkoptix,hendradarwin/VTK,sumedhasingla/VTK,SimVascular/VTK,msmolens/VTK,mspark93/VTK,msmolens/VTK,johnkit/vtk-dev,SimVascular/VTK,demarle/VTK,msmolens/VTK,sumedhasingla/VTK,mspark93/VTK,mspark93/VTK,sankhesh/VTK,johnkit/vtk-dev,ashray/VTK-EVM,berendkleinhaneveld/VTK,hendradarwin/VTK,johnkit/vtk-dev,gram526/VTK,ashray/VTK-EVM,keithroe/vtkoptix,jmerkow/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,demarle/VTK,msmolens/VTK,ashray/VTK-EVM,sumedhasingla/VTK,demarle/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,keithroe/vtkoptix,sumedhasingla/VTK,msmolens/VTK,candy7393/VTK,sankhesh/VTK,candy7393/VTK,berendkleinhaneveld/VTK,mspark93/VTK,gram526/VTK,johnkit/vtk-dev,hendradarwin/VTK,demarle/VTK,keithroe/vtkoptix,candy7393/VTK,ashray/VTK-EVM,hendradarwin/VTK