update link which points to 0.5.2

I already uploaded copied files to github for users to download.
DevDependency Update
Update README.md

this and #105 should fix #104
Update AppVersion
Create ar.ini

Arabic translation
Merge pull request #114 from el7r/patch-1

Create ar.ini
Fixing spelling mistake in ar.ini
Merge pull request #116 from el7r/patch-2

Fixing spelling mistake in ar.ini
add localization link in Readme
Update _sidebar.coffee

should fix #110
Update _sidebar.coffee