Implements: blueprint openid-oauth2-admin.backend-api-endpoints-administration

[smarcet] - #5035 - Api Endpoints Administration

upgrade from laravel 4.0.* to 4.1.*

** please remove your vendor folder and composer.lock

and re run php composer.phar install

Change-Id: Idc23e084235de4f7258d1e769228e4eba44c69f0