Fix typos in singletons and subclassing articles
Use correct Stack Exchange network name in link text in lighter view controllers article
Use a property in lighter view controllers article

This is to be consistent with the code sample just above.
Merge pull request #45 from douglashill/lighter-view-controllers-link-names

Use correct Stack Exchange network name in lighter view controllers article
Merge pull request #44 from douglashill/lighter-view-controllers-property

Use a property in lighter view controllers article
Merge pull request #43 from douglashill/issue-13-spelling

Fix typos in singletons and subclassing articles
Issue 14
Add link to sample project on GitHub.
small fixes
Fix typo in autolayout article
Merge pull request #48 from cjwirth/master

Fix typo in autolayout article
Fix service name
Merge pull request #49 from onevcat/master

Fix service name