[Contributing] Cleaning the "contributing patch" page a bit#3421

Merged

weaverryan merged 6 commits intosymfony:2.4from

lemoinem:patch-1

Jan 9, 2014

Commits on Jan 6, 2014

[Contributing] Fix "When you finish" => "When you are finished"
lemoinem
committed

Commits on Jan 7, 2014

[Contributing] Replace HEAD~3 by upstream/master
lemoinem
committed