Release version 0.9 for Play 2.2

Improve code coverage

Test if EventBus returns singleton instance

Update sbt-scoverage

@see https://travis-ci.org/mohiva/play-silhouette/builds/27015707#L3724

Add Github buttons

Reformat project

Add list of providers to environment

I've created an event implementation based on Akka's Event Bus. The documentation can be found i...

Fix typos

Fix Xing API

Use Play's execution context instead of the Scala execution context

Add profile builder implementation

Provide default PartialFunctions to recover from silhouette's exceptions

Check if exception was thrown in future

Pass implicit request to Authorization.isAuthorized method

Use Future error handling instead of the additional Try type

Disable coveralls because of the issues #105 and #119

Log query string if authentication on social provider is denied

Try to use the format of the original access token returned from OAuth2 providers for unit testing

Remove unnecessary config files

Last test for #61

Consider to also return the AuthInfo from the providers

Return Try instead of throwing an exception

Tests for CredentialsProvider

Implicit application was not in scope

Add missing tests

Use Scala api

Don't require HTTPS for cookies

but not for development and test.

Reformat and clean up

Fix typo

Tests for VK provider

Fix typo

Fix typos

Upgrade Play and sbt

Update sbt-extras

Fixes #129 and #130

Improve logging

Revert "Run coveralls after build success"

This reverts commit a23cc0b379d0d4e956fbe4aec3819aaa97206e05.
Initial tests did not succeed.

Run coveralls after build success

Related to #119

Apply improved logging from #116 to GravatarService

Fix typo

Tests for Instagram provider

Some small improvements