Merge pull request #1 from aripringle/master

merged in latest upstream and fixed a few small issues
Merge pull request #12 from diablomedia/master

fix a few bugs regarding composer dependency, login exception handling and the logout method
Adds own composer.phar
Fixes some tests
Merge pull request #13 from heiglandreas/feature/ownComposer

Adds own composer.phar
Merge pull request #2 from aripringle/master

add support for URL redirects and multiple providers
Merge pull request #3 from aripringle/master

documentation change for Hybridauth 3.0 support
Merge pull request #4 from heiglandreas/master

Pulling in changes from upstream
Merge pull request #1 from diablomedia/master

merge from upstream