[client][js] add support for sending query string parameters with login
Updated changelog for Xamarin.Auth changes
Merge pull request #393 from hasankhan/jsdisplay

[client][js] add support for sending query string parameters with login
Update CHANGELOG.md
[JS/features] Feature headers for JS SDK
Merge branch 'dev' of https://github.com/Azure/azure-mobile-services into jsFeatures
Merge pull request #399 from carlosfigueira/jsFeatures

[client/js] features (telemetry) support
import Foundation framework to resolve errors with unknown type
Merge pull request #403 from damienpontifex/foundation-import

[iOS] import Foundation framework to resolve errors with unknown type
[JS] Update push implementation for WInJS