BTHLABS-66: Prepping for public release: Take three

I smell a drastic change to auth flow in the Mac app... Let's see if it
gets approved this time :D.

services/apple/iOS (App)/AuthorizationProgressViewController.m

@@ -9,6 +9,7 @@
 
 #import "AppDelegate.h"
 #import "HPCredentialsHelper.h"
+#import "MultilineLabel.h"
 
 @interface AuthorizationProgressViewController (AuthorizationProgressViewControllerPrivate)
 
@@ -22,6 +23,7 @@
 
 -(void)viewDidLoad {
     [super viewDidLoad];
+    self.progressLabel.text = NSLocalizedString(@"Continue to sign out in your browser...", @"Continue to sign out in your browser...");
 }
 
 -(void)viewWillAppear:(BOOL)animated {
@@ -29,7 +31,15 @@
     [self.progressIndicator startAnimating];
     
     AppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];
-    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onAuthFlowDidFinish:) name:@"AuthFlowDidFinish" object:appDelegate.authFlow];
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(onAuthFlowDidFinish:)
+                                                 name:@"AuthFlowDidFinish"
+                                               object:appDelegate.authFlow];
+    
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(onAuthFlowDidReceiveAuthParams:)
+                                                 name:@"AuthFlowDidReceiveAuthParams"
+                                               object:appDelegate.authFlow];
 }
 
 -(void)viewWillDisappear:(BOOL)animated {
@@ -71,4 +81,8 @@
     });
 }
 
+-(void)onAuthFlowDidReceiveAuthParams:(NSNotification *)notification {
+    self.progressLabel.text = NSLocalizedString(@"Processing authorization...", @"Processing authorization...");
+}
+
 @end