Move all instances of 'verify identity' to 'show identity'

As discussed in standup this morning - only the act of verifying or a
statement about current status should use that word 'verify.'

FREEBIE

js/views/key_verification_view.js

@@ -7,7 +7,7 @@
 
     // TODO; find all uses of that removed panel
     // Add the Verify functionality to this view
-    Whisper.KeyVerificationView = Whisper.View.extend({
+    Whisper.KeyVerificationPanelView = Whisper.View.extend({
         className: 'key-verification panel',
         templateName: 'key-verification',
         initialize: function(options) {