Merge pull request prebid#15 in SA/prebid from CAP-1614 to master

* commit '25c5ad3b60ffd6b4d3c645dd9bf16bbb4397a346':
  CAP-1614 - updated docs to show correct size for banner and some other small fixes

Author: Corey Kress

modules/synacormediaBidAdapter.md

@@ -24,9 +24,11 @@ https://track.technoratimedia.com/openrtb/tags?ID=%%PATTERN:hb_cache_id_synacorm
 ```
   var adUnits = [{
       code: 'test-div',
-      sizes: [
-          [300, 250]
-      ],
+      mediaTypes: {
+          banner: {
+              sizes: [[300, 250]]
+          }
+      },
       bids: [{
           bidder: "synacormedia",
           params: {
@@ -38,10 +40,10 @@ https://track.technoratimedia.com/openrtb/tags?ID=%%PATTERN:hb_cache_id_synacorm
       }]
   },{
       code: 'test-div2',
-      mediaType: {
+      mediaTypes: {
         video: {
           context: 'instream',
-          playerSizes: [
+          playerSize: [
             [300, 250]
           ],
         }