Update Arabic language

Update Arabic language
Updating Arabic language and minimize weekdaysShort
Merge branch 'develop' of https://github.com/xsoh/moment into develop

Conflicts:
	test/lang/ar.js
Don't include minified files in PRs
Fix links in readme
Fix sr-cyr and tzm-la close #1609
Merge pull request #1616 from ichernev/fix-lang-codes

Fix sr-cyr and tzm-la
Fixed greek "previous Saturday" string - was gender female, now is gender neutral
fixed message in a test
comply with Travis
reverted the 'min' directory to its original state
Merge pull request #1622 from akarelas/akarelas-fixGreekCalendar

Fix "previous Saturday" in greek string

@changelog
@section bugfix
Merge pull request #1559 from xsoh/develop

Updating Arabic language
Deprecate moment().min/max
Implement moment.min and moment.max
Tests for moment.min/max
Add issue link in deprecation message
Fix weekyear/week creation

Initializing a moment given weekyear/week/weekday was not correct for years
starting on Monday.
Refactor week initialization
Make jshint happy