intonation: changed comma intonation for intonation type 2.
intonation: adjusted exclamation (make the nuclear syllable emphasized).
intonation: split intonation table into body and nucleus parts.
lang-zh: only length tones 2,3 at end of sentence.


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@137 d46cf337-b52f-0410-862d-fd96e6ae7743

Remove pause before <say-as> if it's at the beginning of a sentence.
Added --split=<minutes>  command-line option. Splits output WAV file (at sentence boundaries).
Fix: espeakEVENT_SENTENCE events were missing.


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@121 d46cf337-b52f-0410-862d-fd96e6ae7743