Ajax functionality when adding PuntosReunion to the Tours.
Merge branch 'master' of https://github.com/freddy-mesa/SNC-PUCMM
Adding the following WebServices.
Adding the Facebook SDK.
Adding a test for the UsuarioFacebook class.
Modifying views due to the new class UsuarioFacebook.
Removing the classes CuentaFacebook and VideoLlamada.