Seperate out the device demos and project's configuration descriptor structure definitions to clearly indicate what descriptors belong to which interface.

Bootloaders/CDC/Descriptors.h

@@ -149,11 +149,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+			
+			// CDC Control Interface
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_Descriptor_CDC_FunctionalHeader_t    CDC_Functional_Header;
 			USB_Descriptor_CDC_FunctionalACM_t       CDC_Functional_ACM;
 			USB_Descriptor_CDC_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+			
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;

Bootloaders/DFU/Descriptors.h

@@ -161,6 +161,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// DFU Interface
 			USB_Descriptor_Interface_t            DFU_Interface;
 			USB_Descriptor_DFU_Functional_t       DFU_Functional;
 		} USB_Descriptor_Configuration_t;

Bootloaders/HID/Descriptors.h

@@ -47,6 +47,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// Generic HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_VendorHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;