Branch to integrate tkabber port by Kirill Bychkov

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branch : tkabber
Replaced my tkabber port with one by Kirill Bychkov

See http://article.gmane.org/gmane.os.openbsd.ports/59987 for details

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branch : tkabber
[net/tkabber] updated READMEs to point only to relevant dependencies

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branch : tkabber
extra : amend_source : e47cf9d25cc8f8b920d09b4e84b4ef9e92fc2ce1
[net/tkabber] remove bundled KHIM

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branch : tkabber