Add original antiword source code

The original v0.37 from http://www.winfield.demon.nl/
Add check for buffer overflow with malformed input files

Original debian patch
http://patch-tracker.debian.org/patch/series/view/antiword/0.37-9/10_fix_buffer_overflow_wordole_c.patch
kantiword needs sh only

Original debian patch
http://patch-tracker.debian.org/patch/series/view/antiword/0.37-9/20_change_bash_to_sh_kantiword.patch
Improve kantiword scripts and use secure temp files

Original debian patch
http://patch-tracker.debian.org/patch/series/view/antiword/0.37-9/30_kantiword.patch
Extend desktop files

Original debian patch
http://patch-tracker.debian.org/patch/series/view/antiword/0.37-9/40_desktop_files.patch
Fix hyphen in antiword.1 to be a minus

Original debian patch
http://patch-tracker.debian.org/patch/series/view/antiword/0.37-9/50_antiword-manpage-hyphen-to-minus.patch