eSpeak: speech synthesis Code

[1.47.14]
Language changes:
an, en, es, fa, gu, it, pt, ta, te.

Voice files: added attribute 'dictdialect', eg:
dictdialect en-us
uses the US English voice to speak words or rules which are marked with _^_EN

Add some missing files to phsource.
Remove executable attribute from program source files.

Fixes for Klatt synthesizer

[1.40.21]
Fix: -g command option not working on Windows.
Fix: Text position value in events was limited to 16 bits.

[1.40.15]
espeakedit: Change formant dialog to include Klatt parameters.
espeakedit: Change the format of formant data to include Klatt parameters.
espeakedit: Fix the frequency of F7,F8 at 7800Hz,9000Hz.

[1.39.28]
Added experimental Klatt synthesizer.
Klatt phonemes use a new format of phoneme data.
espeakedit, new dialog fields and layout for Klatt phonemes.
Added Klatt versions of English phonemes.

Fixed some compilation warnings on Windows.
Fixed bug in Lettergroups > L10

Increased amplitude of harmonics below F1 peak, to increase bass.
Allow 5 (up from 4) pairs of values in "tone" command in voice files.
Default to slightly wider pk_shape1.

If words are separated by hyphens, don't add word-gap, and don't pass new-word flag onto phoneme processing.

[1.30.05]
Fix an error where vowels start too loud (too strong attack).

Added command-line option --compile-debug, which is like --compile but it includes source line information from the *_rules file, which is displayed with the -X option.

espeakedit: Added Compile->Compile_dictionary(debug),

Fixed <emphasis> which was broken in the previous version(s).
<emphasis> now reduces the previous stressed syllable to secondary stress.

[1.29] lang=en, minor changes to phonemes [I] [V] [aI] [eI]

[1.28.05] Changed names of voice variant files (espeak-data/voices/!v).
Moves "wisper" and "croak" into voices/!v.
Voice variants can now be specified as en+wisper, en+f2 (for female 2), etc.
espeak --voices=variant lists the voice variants.
Moves some lines from speech.h into other header files.
Possible fix for data version check on big-endian.
Fixed crash error iin LoadConfig().
Fixed crash in espeakedit: press Tab in enpty Prosody window.

[1.27] Only keep one primary stress when adding prefixes.
Add stress_rule=4, altepenultimate stress.
Change license to GPL version 3.

[1.26.06] Fixed check for dot in abbreviations, for multibyte characters.
Defined a Revision number macro in speak_lib.h for interface changes.
Changes to formant rate smoothing so that it's proportional to frequency.
Add phoneme translations for mbrola "it3" "it4" Italian voices.
Added rule in *_rules files for "word starts with capital letter".