bug 13632: Convert commands to plural form

part of multiple commits to implement bug #13632.
bug 13632
header version 82
svn version: 30446

This patch converts:
vkCmdBindVertexBuffer -> vkCmdBindVertexBuffers
vkQueueAddMemReference -> vkQueueAddMemReferences
vkQueueRemoveMemReference -> vkQueueRemoveMemReferences
diff --git a/include/vkLayer.h b/include/vkLayer.h
index 813e687..53460c7 100644
--- a/include/vkLayer.h
+++ b/include/vkLayer.h
@@ -39,8 +39,8 @@
     PFN_vkEnumerateLayers EnumerateLayers;
     PFN_vkGetDeviceQueue GetDeviceQueue;
     PFN_vkQueueSubmit QueueSubmit;
-    PFN_vkQueueAddMemReference QueueAddMemReference;
-    PFN_vkQueueRemoveMemReference QueueRemoveMemReference;
+    PFN_vkQueueAddMemReferences QueueAddMemReferences;
+    PFN_vkQueueRemoveMemReferences QueueRemoveMemReferences;
     PFN_vkQueueWaitIdle QueueWaitIdle;
     PFN_vkDeviceWaitIdle DeviceWaitIdle;
     PFN_vkAllocMemory AllocMemory;
@@ -108,7 +108,7 @@
     PFN_vkCmdBindPipeline CmdBindPipeline;
     PFN_vkCmdBindDynamicStateObject CmdBindDynamicStateObject;
     PFN_vkCmdBindDescriptorSets CmdBindDescriptorSets;
-    PFN_vkCmdBindVertexBuffer CmdBindVertexBuffer;
+    PFN_vkCmdBindVertexBuffers CmdBindVertexBuffers;
     PFN_vkCmdBindIndexBuffer CmdBindIndexBuffer;
     PFN_vkCmdDraw CmdDraw;
     PFN_vkCmdDrawIndexed CmdDrawIndexed;