Updated the composer.json
Updated the composer.json

Replaced the pear packages by the composer ones as they are on
Packagist now and added a branch alias for master
alex88/Gaufrette,KnpLabs/Gaufrette,NiR-/Gaufrette,igormukhingmailcom/Gaufrette,jenkoian/Gaufrette,jenkoian/Gaufrette,NiR-/Gaufrette,1001Pharmacies/Gaufrette,acucchieri/Gaufrette,KnpLabs/Gaufrette,ronaldlopez/Gaufrette,watermanio/Gaufrette,WayOfBrave/Gaufrette,acucchieri/Gaufrette,ronaldlopez/Gaufrette,peelandsee/Gaufrette,Consoneo/Gaufrette,WayOfBrave/Gaufrette,alex88/Gaufrette,watermanio/Gaufrette,igormukhingmailcom/Gaufrette,1001Pharmacies/Gaufrette