Removed deprecated SDWebService 1.0 calls.
Merge pull request #52 from walmartlabs-wmusiphone/rx-integration

Removed deprecated SDWebService 1.0 calls.
A container view that allows stacking subviews vertically.
Adding commentary to Auto Layout Stack View
Fixing the way that constraints are updated. Also, fixing a typo in the demo app.
Removing incorrect comment
Adding an ASCII Art illustration to header
Fixing copyright assignment and minimum platform requirement for demo code
Merge pull request #53 from setdirection/feature/stacked-container

Feature/stacked container
Added Tim's new stacking view class.
Merge branch 'master' of https://github.com/setdirection/ios-shared into features/global-pullnav