core: lower channel name in command patern comparison
core: lower channel name in command patern comparison

Former-commit-id: 420db17c7888cc8cfcbbf08801c9bc3548adab17 [formerly 35ecaf457b40ff5945deac5886935dfc4622788f]
Former-commit-id: 7094e12f80f9ab4bcfdf04ee67e8bb61c414fa9c
torhve/ivar2,torhve/ivar2,torhve/ivar2,haste/ivar2