Sync changes from upstream repository
Merge pull request #627 from github/update-1414194586
Fix spelling mistake: s/annouce/announce.
Merge pull request #628 from fusiontech/patch-1

Fix spelling mistake: s/annouce/announce.
Sync changes from upstream repository
Merge pull request #629 from github/update-1414561467
Merge pull request #11 from github/master

Sync changes from upstream repository