Change program code for espeak/libespeak to C, remove C++ features.

Language changes: af, ga, grc, hu, nl, sw, ta


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@364 d46cf337-b52f-0410-862d-fd96e6ae7743

Moved Croatian/Bosnian/Serbian dictionary source data to hbs_rules, hbs_list.
Added data for Ancient Greek voice ("grc").
In voice files, the attribute: word n  adds a short pause between words. n = 1 to 4 for increasing pause length.


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@103 d46cf337-b52f-0410-862d-fd96e6ae7743