[1.47.12]
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
Merge branch 'upstream' into development

Conflicts:
	dictsource/dict_phonemes
	phsource/compile_report
1.47.12 (from http://espeak.sourceforge.net/test/latest.html)