update arabic string

update arabic string
Update AndroidManifest.xml

fix google play version for all users
Update CommentsAdapter.java

little fix for lagnuage
Update VideoActivity.java

little fix for language
Merge pull request #7 from TTMTT/patch-1

update arabic string
Merge pull request #8 from TTMTT/patch-2

Update AndroidManifest.xml
Merge pull request #9 from TTMTT/patch-3

Update CommentsAdapter.java
Merge pull request #10 from TTMTT/patch-4

Update VideoActivity.java
Merge branch 'master' of https://github.com/cloverstudio/Spika-Android into patch-1