[IOS-43] Fixed depreciation warnings that are reported for projects with deployment target set to iOS 6 and higher.
[IOS-43] Removed extra empty line.
Renamed PHPublisherSubcontentRequest.h/m to PHPublisherSubContentRequest.h/m
Merge pull request #29 from playhaven/rename-subcontent-file

Renamed PHPublisherSubcontentRequest.h/m to PHPublisherSubContentRequest...
[IOS-33] Added NULL checks inside +[PHStringUtil uuid] method to make it robust and prevent potential crash.
Merge pull request #28 from playhaven/IOS-43

[xcode5-warnings] iOS 1.21.0 Xcode 5 compiler warnings: Deprecations
[IOS-65] Updated showProductId: method implementation to prevent multiple launches of in-app store and make implementation more robust.
[IOS-65] Removed extra semicolon.
Merge pull request #31 from playhaven/IOS-65

[IOS-65] Updated showProductId: method implementation to prevent multipl...
Merge pull request #30 from playhaven/IOS-33

[forest-park] iOS Crash report on open
[url-class-for-hostname-IOS-78] Updated method performing DNS name resolution to make it robust and prevent potential issues during obtaining host name from a given URL.
[final-appstore-delegate-message-IOS-79] Renamed PHStoreProductViewControllerDelegate class to PHStoreProductViewController, added delegate property to the class interface to have ability to track when in-app store is shown/dismissed.
Merge pull request #33 from playhaven/final-appstore-delegate-message-IOS-79

[final-appstore-delegate-message-IOS-79] Ad dismiss notification is sent before showing in-app appstore.
Merge pull request #32 from playhaven/url-class-for-hostname-IOS-78

[url-class-for-hostname-IOS-78] SDK should use the NSURL class to get a hostname, not a substring
[coolidge-spring-IOS-66] Updated request object implementation to obtain network status on a background thread. The change fixes a potential issue where the main thread was blocked by synchronous call of PHNetworkStatus() function which reproduced on a slow network.
[coolidge-spring-IOS-66] Updated PHAPIRequest implementation to make asynchronous parameter retrieval and prevent blocking of the main thread.
[more-games-default-fail-IOS-97] Added a null check on placementText.text
[more-games-default-fail-IOS 97] Removed log message that shouldn't have made it in to last commit
[example-app-6-crash-IOS-107] Added a null check on textFields' text in IAP tracking and IAP purchase view controllers, as on iOS 6, if not clicked, text is nil (as opposed to @''), causing a crash
[show-uri-example-IOS-109] Added alert to Example app that is shown on URL opening.