add missing license headers from new files

Begin work on external program support (Ytruder partially supported)

cleanup

Plane drawing is functional at last!!!11 Also added meta function findAction to find an action by name so I don't have to extern all of them manually in gui.cpp

matrix is now templated with N=int (usually 3)

Further tweaking

Mass renaming and cleanup. GLRenderer's and ForgeWindow's members made private. Names of common identifiers shortened, moved logVA to ForgeWindow since it's a GUI-related function (though logf remains under main.cpp for ubiquitous usage)

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mercurial