Adapted UICKeyChainStore to build on OS X without error and warnings.
Merge pull request #4 from LuckyMarmot/master

Adapted to build on OS X
Migrate to ARC.
Remove error NSLogs, instead return success or failure.
Apply Apple style braces.
Add podspec.
Fix podspec. Change directory structure for CocoaPods.
Update README.md
Refactor.
Update podspec.
Fix memory leak.
Update podspec.
In README.md fix link to UICKeyChainStore.h
Merge pull request #7 from beepscore/master

In README.md fix link to UICKeyChainStore.h
Add Xcode project files.

To generate files, created a temporary project named UICKeychainStore.
In Xcode 4.6.3, created new project / empty application UICKeychainStore.
Didn't select git.
Chose unit tests.
Quit Xcode.
In Finder dragged files from temporary project to git repository UICKeychainStore forked from https://github.com/kishikawakatsumi/UICKeyChainStore.
Move code from UICKeyChainStoreTests.h to UICKeyChainStoreTests.m and delete UICKeyChainStoreTests.h.
Drag files from Finder to Xcode project navigator to make them visible within Xcode project.
Add Security.framework to targets.
In UICKeyChainStoreTests implement setUp, delete testExample, add testRemoveItemForKeyServiceAccessGroup.

On iPhone device, test passes.
Revise tests and add testSetStringForKey

In setUp to call removeAllItemsForService:accessGroup:
Rename testRemoveItemForKeyServiceAccessGroup to testRemoveAllItemsForServiceAccessGroup and call removeAllItemsForService:accessGroup: