Facebook iOS SDK 3.5 (see https://developers.facebook.com/ios/change-log-3.x/)

Summary:
    See what's new
     https://developers.facebook.com/ios/features/whats-new-ios-sdk-3.5/
    Or read the announcement at
     https://developers.facebook.com/blog/post/2013/04/18/next-evolution-of-facebook-platform-for-mobile/

Reviewed By: jacl

Test Plan: Release Testing.

@update-submodule: vendor/OCHamcrest
@update-submodule: vendor/OCMock
@update-submodule: vendor/OHHTTPStubs
Facebook iOS SDK 3.5.1

Summary:
    Bug fixes. See https://developers.facebook.com/ios/change-log-3.x/

Reviewed By: jacl

Test Plan: Release Testing.
Merge branch 'master' of git://github.com/facebook/facebook-ios-sdk into sdk-3.5

Conflicts:
	scripts/build_distribution.sh
	scripts/build_documentation.sh
	src/FBNativeDialogs.m
	src/FBOpenGraphActionShareDialogParams.h
	src/FBSDKVersion.h
	src/FBSession.m
	src/facebook-ios-sdk.xcodeproj/project.pbxproj
	src/tests/FBAccessTokenDataTests.h
	src/tests/FBCommonRequestTests.h
	src/tests/FBSessionTests.m
	src/tests/FBSettingsTests.h
	src/tests/FBURLConnectionTests.h