klatt voices, Added nasal formant value to nasal vowels.
Fixed bug: speaking "hyphen" between two words with $combine attribute.
Language changes: an, pt, ta.


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@318 d46cf337-b52f-0410-862d-fd96e6ae7743

Fixes to: announce punctuation ( --punct option)


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@227 d46cf337-b52f-0410-862d-fd96e6ae7743