Merge remote-tracking branch 'upstream/master'
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Merge pull request #76 from leancloud/unity

unity release v1.1.6.
[JENKINS] Android sdk version v2.6.8.2
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[JENKINS] Android sdk version v2.6.9
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[JENKINS] iOS sdk version v2.6.9
Merge remote-tracking branch 'upstream/master'
Update iOS changelog.
Merge pull request #74 from ufosky/master

Update iOS changelog.
Released v0.4.6
Merge branch 'master' of github.com:avos/avoscloud-sdk
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[JENKINS] Android sdk version v2.6.9.1
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[JENKINS] jschat sdk version v1.0.4
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