Merge pull request #29 from walmartlabs-wmusiphone/master

Remove sort in SDSearchDisplayController
Added SDContentAlertView and demo project in /Examples.
Merge branch 'master' of github.com:setdirection/ios-shared
Added SDTextField (animated placeholders) and changed SDNumberTextField to be a subclass of it.
Fixed test target.
Streamlined SDTextField to the bare minimum.
Added SDSwitch.  A customizable (via UIAppearance) replacement for UISwitch.
Added optional input accessoryView for the keyboard of SDTextField.  Setting the nextTextField and previousTextField values will trigger the accessoryView automatically.
Corrected copyright information.
A little more cleanup for SDSwitch.
Added new files to the ios-shared xcode project.
Added ability to disable floating labels on SDTextField.
Added some more lookups for storyboards.
Added JSONRepresentation and JSONStringRepresentation to SDModelObject.  validModel also throws an exception if it’s not overridden.
Fixed typos.
Merge pull request #31 from walmartlabs-wmusiphone/master

Added new extractFirstPrice NSString category method
Merge pull request #32 from walmartlabs-wmusiphone/master

Improve price matching regex
Merge pull request #33 from walmartlabs-wmusiphone/master

Fix pattern match for price extraction
- Initial commit of the SDWebServiceDemo example project
Merge branch 'master' of github.com:setdirection/ios-shared