plugin symfony2 sf2.7 compatibility fix
plugin symfony2 sf2.7 compatibility fix

with symfony 2.7 command group titles are listed as commands. this commit prevents it.
FrankSansC/oh-my-zsh,FrankSansC/oh-my-zsh,FrankSansC/oh-my-zsh,FrankSansC/oh-my-zsh