change #include "server.h" to <server/server.h>

Changes from the flat namespace to heirarchical one.  Instead of writing:

	#include "server.h"

the following form should be used.

	#include <server/server.h>

The exception is from .c files in the same directory.

src/server/tcl_server.h

@@ -20,7 +20,7 @@
 #ifndef _TCL_SERVER_H_
 #define _TCL_SERVER_H_
 
-#include "server.h"
+#include <server/server.h>
 
 int tcl_init(struct command_context *cmd_ctx);
 int tcl_register_commands(struct command_context *cmd_ctx);