Added a --timeout option, default to 1 second
Added a --timeout option, default to 1 second

Adds a default timeout, and a --timeout option to tweak this value.

Change-Id: Ic337bcd69eae5d998b214563cdf4d051cc1800d1

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