Adding a horizontal stacked view
Fixing string formatter warnings in demo code
Update SDHorizontalStacksDemoViewController.m

fixed the order of the parameters to property
updating the updateConstraints method to match Apple requirements to call super last.
Fixed an issue where the menuContainer was improperly sized when used on a second top level view controller.
Merge pull request #67 from setdirection/feature/stacked-container

Adding a horizontal stacked view
Merge remote-tracking branch 'upstream/master'