KATO Tomoyuki 188b9cf7da Add using IRC client explicitly
From Japanese team experience, freenode Web IRC has
max connections restricton from the same IP address.
To avoid to confusion, use local IRC client as possible.

Also, remove #openstack channel to avoid confusion.

Change-Id: I58439eb2a3a4266e6b7541db1c9733f96f726c03
2016-10-19 18:25:54 +09:00
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