Added links to github repo. Removed current from Mat and I, as we are…

… both active.

ResponsiveImages.html

@@ -13,12 +13,12 @@
 
 		editors:  [
 		{ 
-			name: "Marcos Cáceres, current",
+			name: "Marcos Cáceres",
 			company: "Responsive Images Community Group",
 			companyURL: "http://www.w3.org/community/respimg/"
 		},
 		{ 
-			name: "Mat Marquis, current",
+			name: "Mat Marquis",
 			company: "Responsive Images Community Group",
 			companyURL: "http://www.w3.org/community/respimg/"
 		},
@@ -231,9 +231,8 @@ <h1>Examples</h1>
 <!-- examples -->
 
 <section id="use-cases" class="appendix informative">   
-  <h1>Use Cases </h1>
-Cosmetic changes and removed some attribute defs that are not inherited from HTMLImageInterface
-      <p>There are many use cases that are supported as listed below. There are two primary use cases:</p>
+  <h1>Use cases </h1>
+  <p>There are many use cases that are supported as listed below. There are two primary use cases:</p>
       <ol>
     <li>The need for different image sources at different viewport sizes in responsive web designs.</li>
     <li>The need for different image sources depending on the pixel density of the display.</li>
@@ -299,8 +298,10 @@ <h2 class="informative-subhed">Gray Scale and High Contrast Modes</h2>
 
 <section class='appendix'>
       <h1>Open Issues</h1>
-		<p>...</p>
+		<p>We are <a href="https://github.com/Wilto/draft-prop/issues">tracking issues</a> on GitHub. Please help us out by filing bugs there! </p>
 
+  <h1>Reference implementations</h1>
+  <p>We have a list of <a href="https://github.com/Wilto/draft-prop/wiki/Polyfills,-prototypes,-and-reference-imps">polyfills, prototypes, and reference implementations</a> on GitHub. </p>
   <h1>Acknowledgements</h1>
       <p>TODO: add thanks</p>
     </section>