dxf2shp cleanup:

* save block inserts in separate shape instead of expanding it
  once at the first insertion (also removes GPL-2 only code)
* update dxflib to 3.7.5 (usable under GPL-2+)

Author: jef-n

debian/copyright

@@ -293,22 +293,14 @@ Comment: The code is heavily based on Christopher Michaelis' DXF to
  Used for the Shapefile functionality.
 License: MIT
 
-Files: src/plugins/dxf2shp_converter/getInsertions.h
-Copyright: Christopher Michaelis
-License: GPL-2
-
-Files: src/plugins/dxf2shp_converter/getInsertions.cpp
-Copyright: Christopher Michaelis
-License: GPL-2+
-
 Files: src/plugins/dxf2shp_converter/shapelib-1.2.10/*
 Copyright: 1999, 2001-2002, Frank Warmerdam
 License: MIT or LGPL-2+
 
 Files: src/plugins/dxf2shp_converter/dxflib/src/*
-Copyright: 2001-2003, RibbonSoft
+Copyright: 2001-2013, RibbonSoft GmbH
                 2001, Robert J. Campbell Jr
-License: GPL-2 or dxflib-Commercial-License
+License: GPL-2+ or dxflib-Commercial-License
 
 Files: src/plugins/evis/*
 Copyright: 2007, American Museum of Natural History

src/plugins/dxf2shp_converter/CMakeLists.txt

@@ -6,7 +6,6 @@ SET (dxf2shpconverter_SRCS
      dxf2shpconverter.cpp
      dxf2shpconvertergui.cpp
      builder.cpp
-     getInsertions.cpp
      dxflib/src/dl_dxf.cpp
      dxflib/src/dl_writer_ascii.cpp
      )