MdePkg:

1. Add AcpiTable & ComponentName2 Protocol definitions.
2. Add HardwareErrorVariable GUID definition.
EdkModulePkg: 
1. Update DxeCore to let InsatllConfigurationTable() signal the event group whenever a table entry is inserted, modified or deleted.
2. Update ConPlatform to let Simple Text In and Out  not share a stop function .

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2625 6f19259b-4bc3-4df7-8a09-765794883524

EdkModulePkg/Core/Dxe/Misc/InstallConfigurationTable.c

@@ -125,6 +125,12 @@ Returns:
       // Modify the table enty and return.
       //
       gDxeCoreST->ConfigurationTable[Index].VendorTable = Table;
+
+      //
+      // Signal Configuration Table change
+      //
+      CoreNotifySignalList (Guid);
+
       return EFI_SUCCESS;
     }
 
@@ -210,5 +216,10 @@ Returns:
   //
   CalculateEfiHdrCrc (&gDxeCoreST->Hdr);
 
+  //
+  // Signal Configuration Table change
+  //
+  CoreNotifySignalList (Guid);
+
   return EFI_SUCCESS;
 }