This is a step in the transition to using a common IPA-based
phoneme table for the pronunciations. It allows the base phonemes
to import the IPA versions during this transition phase.

The 'dontlist' feature was used by the now removed PrintPhonemesUsed
function to not display that phoneme in the list. It was also only
used by the English phonemetable.

Italian Phonemes: added Statements for phoneme z and phoneme v

Italian Dictionaries: added rules for pronominal verbs and Exceptions for subjunctive

Italian Dictionaries: added rule for tz pronunciation

Italian Dictionaries: fixed group e grave

italian Dictionaries: removed greek letters group from  it_rules

Italian Numbers reading: Improved stress for the reading of hundreds in it_list

Intonation: improved  tune s4, q4, e4 used in italian intonation

Replace upercase O in ditc source

Added statements for unstressed vowels, change length/amplitude for unstressed vowels.

improved spanish prosody in tr_language.c

Added rule for suffix mente in es_rules

Translated language names

Added rules for letter spanish ce cedilla, see issue 130

Intonation: improved head and prehead in tune q6

Phonemes: fixed bad phoneme a before vowels,  improved unstressed a, unstressed o, set length for phoneme i

Added exceptions and review it_rules

Fixed length stressed vowels in tr_language.c (see #80).

Improved phonemes, new statements for [a] and long close [o].

Added last improvements in italian dict source tested on april-may 2016.