Removed ‘Send Friendship Request’ text from new person announcements. Closes #171.

Heartbeat/MainInterfaceSplitViewController.swift

@@ -363,7 +363,7 @@ class MainInterfaceSplitViewController: NSSplitViewController
                                 println("ℹ️ About to post the new person message. (\(self))\n")
                                 
                                 // Create the message, persist it, and notify the timeline to show it.
-                                let messageString = "<p>Hey everyone, \(CurrentPerson.sharedInstance.displayName!) just joined Ind.ie! <a href='indie://friend/\(CurrentPerson.sharedInstance.accountHandle!)'>Send friendship request.</a></p>"
+                                let messageString = "<p>Hey everyone, \(CurrentPerson.sharedInstance.displayName!) just joined Ind.ie.</p>"
                                 let messageData = messageString.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
                                 
                                 let messageAttributedString = NSAttributedString(HTML: messageData!, options: [NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType, NSCharacterEncodingDocumentAttribute: NSUTF8StringEncoding], documentAttributes: nil)!