Normalizing arabic transliterations

Algorithm for normalizing the existing transliterated arabic (_translit fields) in the database.

Currently: source:OpenMind/src/main/java/org/mpi/openmind/repository/utils/NormalizerUtils.java​

1. replace letter combinations

Replace the following letter combinations with a single letter.

th	t
kh	h
dh	d
sh	s
gh	g
"aẗ ", "at ", "ah "	"a "
ỳ	a

2. replace letters with diacritics

Replace all letters with diacritics with the letter without diacritics.

Remove all apostrophes.