Issue #825: add initial support for Hebrew MBROLA voices

Makefile.am

 	espeak-ng-data/mbrola_ph/gr1_phtrans \
 	espeak-ng-data/mbrola_ph/gr2_phtrans \
 	espeak-ng-data/mbrola_ph/grc-de6_phtrans \
+	espeak-ng-data/mbrola_ph/he_phtrans \
 	espeak-ng-data/mbrola_ph/hn1_phtrans \
 	espeak-ng-data/mbrola_ph/hu1_phtrans \
 	espeak-ng-data/mbrola_ph/ic1_phtrans \

espeak-ng-data/voices/mb/mb-hb1

+name hebrew-mbrola-1
+language he
+gender male
+
+mbrola hb1 he_phtrans

espeak-ng-data/voices/mb/mb-hb2

+name hebrew-mbrola-2
+language he
+gender female
+pitch 180 220
+mbrola hb2 he_phtrans

phsource/mbrola/he

+0   '   NULL   0   '
+0   ?   NULL   0   ?
+0   a   NULL   0   a
+0   b   NULL   0   b
+0   d   NULL   0   d
+0   D   NULL   0   D
+0   e   NULL   0   e
+0   f   NULL   0   f
+0   g   NULL   0   g
+0   h   NULL   0   h
+0   i   NULL   0   i
+0   j   NULL   0   j
+0   k   NULL   0   k
+0   l   NULL   0   l
+0   m   NULL   0   m
+0   n   NULL   0   n
+0   N   NULL   0   N
+0   o   NULL   0   o
+0   p   NULL   0   p
+0   Q   NULL   0   Q
+0   s   NULL   0   s
+0   S   NULL   0   S
+0   t   NULL   0   t
+0   T   NULL   0   T
+0   u   NULL   0   u
+0   v   NULL   0   v
+0   w   NULL   0   w
+0   X   NULL   0   X
+0   z   NULL   0   z
+0   Z   NULL   0   Z
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