Reinstate language "az" (Azerbaijani) as a test voice.
Language changes: ga, hy, pt, sk.
Generate character names for subscript and superscript letters and digits.
git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@347 d46cf337-b52f-0410-862d-fd96e6ae7743
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
Command line option --voices:
Replace spaces in voice name by underscores.
Show hyphen if no gender is specified.
--voices=<directory> shows the voices in the specified subdirectory.
Language changes: bn (Bengali), an.
git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@331 d46cf337-b52f-0410-862d-fd96e6ae7743
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