Highlighting Open CASCADE keywords

UserType.dat file allows setting syntax coloring for Open CASCADE keywords in MS Visual Studio.

Remarks:

- Available only on Win32 platforms

- To use it add UserType.dat files from $CASROOT /../Tools to the VC++\Common\MSDev98\bin directory.

- To modify syntax coloring, choose Options from the Tools menu of MS Visual Studio. Select the Format tab. In the Colors box, select User Defined Keywords.