changed protocol for KnpMenuBundle repo to https:// and fixed installation command
changed protocol for KnpMenuBundle repo to https:// and fixed installation command

stof/KnpMenuBundle,KnpLabs/KnpMenuBundle,Nek-/KnpMenuBundle,Soullivaneuh/KnpMenuBundle,benji07/KnpMenuBundle,piotrantosik/KnpMenuBundle,javiereguiluz/KnpMenuBundle,Soullivaneuh/KnpMenuBundle,bocharsky-bw/KnpMenuBundle,WouterJ/KnpMenuBundle