move check for blockquote and iframe to top of media type analysis (and check for tags not just strings) so as to not incorrectly try to pluck media out from the iframe or the blockquote. Closes #605

source/js/Core/Media/VMM.MediaType.js

@@ -23,6 +23,20 @@ if(typeof VMM != 'undefined' && typeof VMM.MediaType == 'undefined') {
 			media.type = "twitter-ready";
 		    media.id = d;
 		    success = true;
+		} else if (d.match('<blockquote')) {
+			media.type = "quote";
+			media.id = d;
+			success = true;
+		} else if (d.match('<iframe')) {
+			media.type = "iframe";
+			trace("IFRAME")
+			regex = /src=['"](\S+?)['"]\s/;
+			group = d.match(regex);
+			if (group) {
+				media.id = group[1];
+			}
+			trace( "iframe url: " + media.id );
+			success = Boolean(media.id);
 		} else if (d.match('(www.)?youtube|youtu\.be')) {
 			if (d.match('v=')) {
 				media.id	= VMM.Util.getUrlVars(d)["v"];
@@ -117,20 +131,6 @@ if(typeof VMM != 'undefined' && typeof VMM.MediaType == 'undefined') {
 			media.type = "storify";
 			media.id = d;
 			success = true;
-		} else if (d.match('blockquote')) {
-			media.type = "quote";
-			media.id = d;
-			success = true;
-		} else if (d.match('iframe')) {
-			media.type = "iframe";
-			trace("IFRAME")
-			regex = /src=['"](\S+?)['"]\s/;
-			group = d.match(regex);
-			if (group) {
-				media.id = group[1];
-			}
-			trace( "iframe url: " + media.id );
-			success = Boolean(media.id);
 		} else {
 			trace("unknown media");  
 			media.type = "unknown";