Facebook iOS SDK 3.2.1 (see https://developers.facebook.com/ios/change-log-3.x/)

Summary:

Added
    Support for frictionless application requests in FBWebDialogs

Fixed
    Exception in certain request methods when a handler is nil

Reviewers: gregschechte

Reviewed By: gregschechte

Test Plan: Release Testing.
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 'facebook-sdk-master'

Conflicts:
	samples/FriendPickerSample/FriendPickerSample.xcodeproj/project.pbxproj
	samples/FriendPickerSample/FriendPickerSample/FPAppDelegate.h
	samples/FriendPickerSample/FriendPickerSample/FPAppDelegate.m
	samples/FriendPickerSample/FriendPickerSample/FPViewController.h
	samples/FriendPickerSample/FriendPickerSample/FPViewController.m
	samples/FriendPickerSample/FriendPickerSample/FriendPickerSample-Info.plist
	samples/FriendPickerSample/FriendPickerSample/main.m
	samples/FriendPickerSample/ReadMe.txt
	samples/GraphApiSample/GraphApiSample.xcodeproj/project.pbxproj
	samples/GraphApiSample/GraphApiSample/GraphApiAppDelegate.h
	samples/GraphApiSample/GraphApiSample/GraphApiAppDelegate.m
	samples/GraphApiSample/GraphApiSample/GraphApiSample-Info.plist
	samples/GraphApiSample/GraphApiSample/GraphApiViewController.h
	samples/GraphApiSample/GraphApiSample/GraphApiViewController.m
	samples/GraphApiSample/GraphApiSample/main.m
	samples/GraphApiSample/ReadMe.txt
	samples/HelloFacebookSample/HelloFacebookSample.xcodeproj/project.pbxproj
	samples/HelloFacebookSample/HelloFacebookSample/HFAppDelegate.h
	samples/HelloFacebookSample/HelloFacebookSample/HFAppDelegate.m
	samples/HelloFacebookSample/HelloFacebookSample/HFViewController.h
	samples/HelloFacebookSample/HelloFacebookSample/HFViewController.m
	samples/HelloFacebookSample/HelloFacebookSample/HelloFacebookSample-Info.plist
	samples/HelloFacebookSample/HelloFacebookSample/en.lproj/HFViewController_iPad.xib
	samples/HelloFacebookSample/HelloFacebookSample/main.m
	samples/HelloFacebookSample/ReadMe.txt
	samples/PlacePickerSample/PlacePickerSample.xcodeproj/project.pbxproj
	samples/PlacePickerSample/PlacePickerSample/PPAppDelegate.h
	samples/PlacePickerSample/PlacePickerSample/PPAppDelegate.m
	samples/PlacePickerSample/PlacePickerSample/PPViewController.h
	samples/PlacePickerSample/PlacePickerSample/PPViewController.m
	samples/PlacePickerSample/PlacePickerSample/PlacePickerSample-Info.plist
	samples/PlacePickerSample/PlacePickerSample/main.m
	samples/PlacePickerSample/ReadMe.txt
	samples/ProfilePictureSample/ProfilePictureSample.xcodeproj/project.pbxproj
	samples/ProfilePictureSample/ProfilePictureSample/PPAppDelegate.h
	samples/ProfilePictureSample/ProfilePictureSample/PPAppDelegate.m
	samples/ProfilePictureSample/ProfilePictureSample/PPViewController.h
	samples/ProfilePictureSample/ProfilePictureSample/PPViewController.m
	samples/ProfilePictureSample/ProfilePictureSample/main.m
	samples/ProfilePictureSample/ReadMe.txt
	samples/RPSSample/RPSSample.xcodeproj/project.pbxproj
	samples/RPSSample/RPSSample/Default-568h@2x.png
	samples/RPSSample/RPSSample/Default.png
	samples/RPSSample/RPSSample/Default@2x.png
	samples/RPSSample/RPSSample/Icon-72.png
	samples/RPSSample/RPSSample/Icon-72@2x.png
	samples/RPSSample/RPSSample/Icon.png
	samples/RPSSample/RPSSample/Icon@2x.png
	samples/RPSSample/RPSSample/OGProtocols.h
	samples/RPSSample/RPSSample/RPSAppDelegate.h
	samples/RPSSample/RPSSample/RPSCommonObjects.m
	samples/RPSSample/RPSSample/RPSFriendsViewController.h
	samples/RPSSample/RPSSample/RPSSample-Info.plist
	samples/RPSSample/RPSSample/RPSSample-Prefix.pch
	samples/RPSSample/RPSSample/en.lproj/InfoPlist.strings
	samples/RPSSample/RPSSample/en.lproj/RPSFriendsViewController_iPad.xib
	samples/RPSSample/RPSSample/en.lproj/RPSFriendsViewController_iPhone.xib
	samples/RPSSample/RPSSample/main.m
	samples/Scrumptious/ReadMe.txt
	samples/Scrumptious/Scrumptious.xcodeproj/project.pbxproj
	samples/Scrumptious/scrumptious/SCAppDelegate.h
	samples/Scrumptious/scrumptious/SCAppDelegate.m
	samples/Scrumptious/scrumptious/SCLoginViewController.h
	samples/Scrumptious/scrumptious/SCLoginViewController.m
	samples/Scrumptious/scrumptious/SCLoginViewController.xib
	samples/Scrumptious/scrumptious/SCPhotoViewController.h
	samples/Scrumptious/scrumptious/SCProtocols.h
	samples/Scrumptious/scrumptious/SCViewController.h
	samples/Scrumptious/scrumptious/SCViewController.m
	samples/Scrumptious/scrumptious/main.m
	samples/Scrumptious/scrumptious/scrumptious-Info.plist
	samples/SessionLoginSample/ReadMe.txt
	samples/SessionLoginSample/SessionLoginSample.xcodeproj/project.pbxproj
	samples/SessionLoginSample/SessionLoginSample/SLAppDelegate.h
	samples/SessionLoginSample/SessionLoginSample/SLAppDelegate.m
	samples/SessionLoginSample/SessionLoginSample/SLViewController.h
	samples/SessionLoginSample/SessionLoginSample/SLViewController.m
	samples/SessionLoginSample/SessionLoginSample/SessionLoginSample-Info.plist
	samples/SessionLoginSample/SessionLoginSample/main.m
	samples/SwitchUserSample/ReadMe.txt
	samples/SwitchUserSample/SwitchUserSample.xcodeproj/project.pbxproj
	samples/SwitchUserSample/SwitchUserSample/SUAppDelegate.h
	samples/SwitchUserSample/SwitchUserSample/SUAppDelegate.m
	samples/SwitchUserSample/SwitchUserSample/SUProfileTableViewCell.h
	samples/SwitchUserSample/SwitchUserSample/SUProfileTableViewCell.m
	samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController.h
	samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController.m
	samples/SwitchUserSample/SwitchUserSample/SUUserManager.h
	samples/SwitchUserSample/SwitchUserSample/SUUserManager.m
	samples/SwitchUserSample/SwitchUserSample/SUUsingViewController.h
	samples/SwitchUserSample/SwitchUserSample/SUUsingViewController.m
	samples/SwitchUserSample/SwitchUserSample/SwitchUserSample-Info.plist
	samples/SwitchUserSample/SwitchUserSample/main.m
	src/FBNativeDialogs.m
	src/FBSession.m
	src/FacebookSDKIntegrationTests/FBAccessTokenDataTests.h
	src/FacebookSDKIntegrationTests/en.lproj/InfoPlist.strings