Contributes to #68.

Wavegen_Klatt2() only had one if-statement and then called
Wavegen_Klatt(). Wavegen_Klatt() was never called directly.

According to [1] and [2] , the pronounciation of the pinyin character
h is not accurately [x].
According to [2], [χ] is instead a possible pronounication in young
users.

As a young native speaker of Mandarin, I feel the sound of [χ] in espeak
more satisfied than [x] here.

[1] https://en.wikipedia.org/wiki/Standard_Chinese_phonology
[2] https://phesoca.com/aws/268/

Signed-off-by: Icenowy Zheng <[email protected]>

This item will lead `冉冉` to be pronounced 3 times rather than 2, and
it's not necessary because this character has no overloaded
pronounciation.

Signed-off-by: Icenowy Zheng <[email protected]>

Allows setting the path for ronn and kramdown

Switch to Portuguese /&~/ for <v>.
Use aveolar /d/ instead of dental /d[/.

The base phonemes file defines alveolar /d/ with the definition for a
dental /d[/ ????

Updates from second zip file, also add missing entry in Makefile.am