Update strings.xml

Italian translation adjustment
Updated Portuguese (PT) translation
Updated French translation
First part NL translations
some more translations
Added MT6572 to the list of MTK devices
Merge pull request #121 from spacecaker/master

Dutch ( NL-Netherlands ) Translations
Merge pull request #120 from ch-vox/patch-40

Updated French translation
Merge pull request #119 from bgcngm/master

Updated Portuguese (PT) translation
Merge pull request #118 from pitone02/patch-5

Update strings.xml
Updated Japanese Translation
Updated French translation
Merge pull request #124 from ch-vox/patch-41

Updated French translation
Merge pull request #123 from WedyDQ10/patch-2

Updated Japanese Translation
Merge pull request #122 from romashko/master

Updated Russian translation
Updated Portuguese (PT) translation
Updated Hungarian translations (tanks to benjoe1)
Updated Slovak translations
Updated Czech translations
Allow Call vibrations only in case device has vibrator