Fix nanoc URL
Fix link to GitHub Enterprise help doc
Fix link to GitHub Enterprise help doc
Merge pull request #642 from github/fix-broken-links

Fix broken links
Sync changes from upstream repository
Merge pull request #643 from github/update-1416608966
Sync changes from upstream repository
Merge pull request #644 from github/update-1416906866
Sync changes from upstream repository
Merge pull request #645 from github/update-1416907936
Sync changes from upstream repository
Merge pull request #646 from github/update-1416942459
Sync changes from upstream repository
Merge pull request #647 from github/update-1416946853
Merge pull request #14 from github/master

Sync changes from upstream repository