gcad3d-2.352+git20170420.b5668e9-bp156.3.6

- Update to version 2.352+git20170420.b5668e9:
  * all curve-modifications (eg CUT) create now trimmed-curves
  * all curves now have a polygonal representation
    (see www.gCAD3D.org/doc/watertight.htm)
  * Format of message-files changed ({key} = {value}) for automatic
    translation
- Drop gcad3d-2.34_pointer-decl.patch
- Update: gcad3d-2.34_return.patch > gcad3d-2.35_return.patch
- Add gcad3d-2.25_sequence-point.patch
- Build with optflags
- Make hidden directory (~/.gCAD3D)

- Update to version 2.34+git20161016.2d825d0:
  * Plane definition extended
  * new symbol Arrowhead (N Symbol, symbolType 6)
  * selection of catalogparts fixed
  * Measure PT / Obj: normals to all types of curves added
  * Menu Display: new option "Background white"
  * automatic scaling (button "Scal.All") rewritten
  * new function: File /save Model as / JPG
  * print-module: output of surfaces
  * new print-format PDF
  * bugfix print PS
  * DXF-export: export subModels as BLOCKS
  * DXF-import: import BLOCKS as subModels
  * new plugin Demo_toolbar2
  * provide vertex-position if analytic position cannot be computed
  * bug "select ellipse in CCV" fixed
  * bug "CUT" line with single cutting-obj fixed
  * automatic support of all languages of installed messagfiles
  * new plugin Demo_toolbar1
  * new plugin Demo_appDat1
  * Undo output of applications and plugins with the UNDO-button
  * Example: DemoPlugin_Dialog.c (func UNDO_app__)
  * parameter "unlimited" added
  * Bugfix GUI_file_open__ and GUI_file_save__
  * GL_Do_Scale__ viewer bug with scroll fixed
  * GUI_file_open_1 bug "no-selection" fixed
  * Interaction bug "redo_Interaction" fixed
  * development-docu for codes - formates  improved
  * Bug "translate concatenated-curve" fixed
  * Bug "modify GIS-point" fixed (sample_gis1.gcad)
  * Bug "display html docu" (Linux only) fixed
  * minor bugfixes
- Use pkgconfig (style)
- Update patches:
  * gcad3d-2.24_pointer-decl.patch > gcad3d-2.34_pointer-decl.patch
  * gcad3d-2.34_return.patch > gcad3d-2.34_return.patch
- Drop patches:
  * gcad3d-2.24_mkdir.patch (use mkdir in spec)
  * gcad3d-2.24_destbufferoverflow.patch (build without optflags)
  * gcad3d-2.24_sequence-point.patch (build without optflags)
- Spec file cleanup

- Initial package