More entropy for foreign titles

* Treat strings with non-ASCII characters as having more entropy
Clarify job args dissection using destructuring assignment.
settings: Update english description of entropy
Link to category slug instead of name in onebox
Add [PM] to subject of email notifications for private messages
ScreenTrack refactor - removes logic from TopicView didInsertElement
Merge pull request #984 from Supermathie/moreentropy

More entropy for foreign titles
Merge pull request #986 from chrishunt/fix-local-onebox

Link to category slug instead of name in onebox
no idea how this was even working
also should have caught this earlier
Create the composer view with the defaultContainer. This is in prep for redeploying
on RC5. Ideally we'll change how the composer is instantiated altogether but that will
have to wait for a future release.
JSHint fix :(
)
Merge pull request #985 from avdi/clarify-jobs-dissection

Clarify job args dissection using destructuring assignment.
Robin lurves him some MailCatcher
add link to official-ish install docs
three main pre-reqs
Add 'dynamic favicon' setting
Redirect when can_edit === false or undefined
SECURITY HOLE, upgrade right away if you are using Secure Groups.
extra spec