[Contributing] update contribution guide for 2.7/3.0#4513
Merged
weaverryan merged 1 commit intosymfony:2.3from Dec 17, 2014
Merged
[Contributing] update contribution guide for 2.7/3.0#4513weaverryan merged 1 commit intosymfony:2.3from
weaverryan merged 1 commit intosymfony:2.3from
