Update project file deployment target to iOS 7 for 64-bit builds.

Reviewed By: chrisp

Test Plan: Built via XCode 5.
Facebook iOS SDK 3.9

Summary:
     see https://developers.facebook.com/ios/change-log-3.x/

Upgrading from 3.8
     https://developers.facebook.com/docs/ios/upgrading-from-3.8-to-3.9/

Reviewed By: jacl

Test Plan: Release Testing.

@update-submodule: vendor/OCMock
Facebook iOS SDK 3.10

Summary:
     see https://developers.facebook.com/ios/change-log-3.x/

Upgrading from 3.9
     https://developers.facebook.com/docs/ios/upgrading-from-3.9-to-3.10/

Reviewed By: jacl

Test Plan: Release Testing.
Fix some namespace pollution in the static library.

This fixes namespace pollution, to prevent linker issues with apps and other
libraries with global symbols named eg. "kSDK".

Conflicts:
	src/FBLoginView.m
	src/FBRequestConnection.m

Conflicts:
	src/FBRequestConnection.m
Prefix defaultResultsLimit and defaultRadius.
Add a search bar
Fix method name such that the analyzer doesn't throw

Conflicts:
	src/FBRequestConnection.m
Always renew the access token as we can never know if we're old or not
Make this at least work sanely on iOS 7

Conflicts:
	src/FBViewController.m
Update project files

Conflicts:
	src/facebook-ios-sdk.xcodeproj/project.pbxproj
Let's not do this. We renew anyway and that will, in general, fix the fact that there was no error but also no token.
A cancel can also happen if the URL is fbconnect://success and there is an error_code of 4201.
Retry if it failed, falling back to the FB app or Safari