lang=zh: Fix: was speaking Chinese character names as character codes.
lang=hr, sr: Fix: speak Cyrillic character names in the local langauge.
Phoneme definitions: add new statement type "LengthAdd <signed number>".
git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@335 d46cf337-b52f-0410-862d-fd96e6ae7743