Adding project scheme for Mobile SDK workspace
Merge pull request #1 from khawkins/add_scheme

Adding project scheme for Mobile SDK workspace
Fixing up public header path, standardizing header access
Merge pull request #2 from khawkins/header_updates

Fixing up public header path, standardizing header access
Xcode 5 project settings
Merge pull request #3 from khawkins/mobilesdk.unstable

Xcode 5 project settings
Updating project versions to Xcode 5.1
Merge pull request #4 from khawkins/mobilesdk.unstable

Updating project versions to Xcode 5.1
64-bit warnings
Merge pull request #5 from khawkins/mobilesdk.unstable

64-bit warnings