Promote Draft->Final BIPs: 50 and 73

BIP 50: Proposed action items, including the hardfork, are completed.

BIP 73: Implemented by at least Bitcoin Core and BitPay.

README.mediawiki

@@ -216,12 +216,12 @@ Those proposing changes should consider that ultimately consent may rest with th
 | Justus Ranvier
 | Informational
 | Draft
-|-
+|- style="background-color: #cfffcf"
 | [[bip-0050.mediawiki|50]]
 | March 2013 Chain Fork Post-Mortem
 | Gavin Andresen
 | Informational
-| Draft
+| Final
 <!-- 50 series reserved for a group of post-mortems -->
 |-
 | [[bip-0060.mediawiki|60]]
@@ -301,12 +301,12 @@ Those proposing changes should consider that ultimately consent may rest with th
 | Gavin Andresen
 | Standard
 | Final
-|-
+|- style="background-color: #cfffcf"
 | [[bip-0073.mediawiki|73]]
 | Use "Accept" header for response type negotiation with Payment Request URLs
 | Stephen Pair
 | Standard
-| Draft
+| Final
 |-
 | [[bip-0074.mediawiki|74]]
 | Allow zero value OP_RETURN in Payment Protocol

bip-0050.mediawiki

@@ -2,7 +2,7 @@
   BIP: 50
   Title: March 2013 Chain Fork Post-Mortem
   Author: Gavin Andresen <gavinandresen@gmail.com>
-  Status: Draft
+  Status: Final
   Type: Informational
   Created: 2013-03-20
 </pre>

bip-0073.mediawiki

@@ -2,7 +2,7 @@
   BIP: 73
   Title: Use "Accept" header for response type negotiation with Payment Request URLs
   Author: Stephen Pair <stephen@bitpay.com>
-  Status: Draft
+  Status: Final
   Type: Standards Track
   Created: 2013-08-27
 </pre>