Updated firefoxOS detection for tablets (bug 1005254)
Let devs install a hosted app locally

This allows developers to install Marketplace
as a hosted app within desktop B2G for local
development. I know not everything will work
but this is essential for payments since we
need navigator.mozPay().
Merge pull request #461 from kumar303/hosted

Let devs install a hosted app locally
Commit from Mozilla Verbatim by user kelemeng.: 299 of 299 strings translated (0 fuzzy).