Updated MFLinkedInUIActivity and MFLinkedInAccount initialization methods to include the redirect_uri field, which as of April 14, LinkedIn made it a requirement (for more information, go to https://developer.linkedin.com/blog/register-your-oauth-2-redirect-urls). Aslo updated MFLinkedInAccount “userIsSignedInToLinkedIn” class method to use the new initializer (passing nil to the NSURL parameter).