Added metric DXF header template file.
Added imperial DXF header template file.
Added src/hid/dxf/hid.conf
New file: src/hid/dxf/dxf.c
Modified configure.ac and src/Makefile.am.
No linetype, color or thickness for DXF BLOCK entity definitions.
Correction of a typo in a comment.
Added a newline where needed.
Added code to dxf_write_header_imperial_new().
Added comments to dxf_write_header_imperial_new().
Use landscape Letter format paper sizes in dxf_write_header_imperial_new().

Was metric landscape A3 format paper sizes.
Added comments to dxf_write_header_metric_new().
Added a README file.
Replace whitespace character with underscore character.
Corrections/additions in the doxygen comments.
Removed the RCSID.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
Added dxf_write_footer_metric_new().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
Remove conditionals for an imperial header exists for some time.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
Correction in white space.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
Added dxf_write_footer().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>