Help screen clarification

"dangerous" -> "critical" with an explanation.
critical changed back to dangerous
Modified inaccurate translations.
Modified more inaccurate translation.
Modified inaccurate translations.
Merge pull request #782 from jokies/master

Modified inaccurate translations.
1.10.17 test
Update description
Updated Arabic translation (menu_restriction_all)
Merge pull request #784 from waleedhassan/patch-6

Updated Arabic translation (menu_restriction_all)
Updated changelog
Merge pull request #780 from jpeg729/menu_items

Help screen clarification
Fix version codes

Refs #785
Merge branch 'master' of https://github.com/M66B/XPrivacy
Option to enable extra usage data

Refs #783
Refs #785
Refs #786
1.10.18 test
Updated changelog
Move selecting accounts to allow to free version
Move settings Android usage data / extra usage data to expert mode
Add application name to title of application details view

Refs #777