Added a mask option to plateorthoproject
Added a mask option to plateorthoproject

This allows the user to mask features in the input image so they are
not projected.

ScottMcMichael/StereoPipeline,aaronknister/StereoPipeline,oleg-alexandrov/StereoPipeline,njwilson23/StereoPipeline,NeoGeographyToolkit/StereoPipeline,aaronknister/StereoPipeline,ScottMcMichael/StereoPipeline,DougFirErickson/StereoPipeline,DougFirErickson/StereoPipeline,njwilson23/StereoPipeline,njwilson23/StereoPipeline,oleg-alexandrov/StereoPipeline,aaronknister/StereoPipeline,NeoGeographyToolkit/StereoPipeline,ScottMcMichael/StereoPipeline,njwilson23/StereoPipeline,DougFirErickson/StereoPipeline,NeoGeographyToolkit/StereoPipeline,ScottMcMichael/StereoPipeline,njwilson23/StereoPipeline,DougFirErickson/StereoPipeline,DougFirErickson/StereoPipeline,ScottMcMichael/StereoPipeline,aaronknister/StereoPipeline,DougFirErickson/StereoPipeline,aaronknister/StereoPipeline,ScottMcMichael/StereoPipeline,oleg-alexandrov/StereoPipeline,oleg-alexandrov/StereoPipeline,oleg-alexandrov/StereoPipeline,NeoGeographyToolkit/StereoPipeline,NeoGeographyToolkit/StereoPipeline,NeoGeographyToolkit/StereoPipeline,njwilson23/StereoPipeline,oleg-alexandrov/StereoPipeline