add 'utility' to includes for Arduino 1.5.4 compatibility

Author: ntruchsess

UIPClient.cpp

@@ -19,14 +19,14 @@
 
 extern "C"
 {
-#import "uip-conf.h"
-#import "uip.h"
-#import "uip_arp.h"
+#import "utility/uip-conf.h"
+#import "utility/uip.h"
+#import "utility/uip_arp.h"
 #import "string.h"
 }
 #include "UIPEthernet.h"
 #include "UIPClient.h"
-#include "Dns.h"
+#include "utility/Dns.h"
 
 #ifdef UIPETHERNET_DEBUG_CLIENT
 #include "HardwareSerial.h"

UIPEthernet.cpp

@@ -19,15 +19,15 @@
 
 #include <Arduino.h>
 #include "UIPEthernet.h"
-#include "Enc28J60Network.h"
+#include "utility/Enc28J60Network.h"
 
 #if(defined UIPETHERNET_DEBUG || defined UIPETHERNET_DEBUG_CHKSUM)
 #include "HardwareSerial.h"
 #endif
 
 extern "C"
 {
-#include "uip-conf.h"
+#include "utility/uip-conf.h"
 #include "utility/uip.h"
 #include "utility/uip_arp.h"
 #include "utility/uip_timer.h"

UIPServer.cpp

@@ -19,7 +19,7 @@
 #include "UIPEthernet.h"
 #include "UIPServer.h"
 extern "C" {
-  #include "uip-conf.h"
+  #include "utility/uip-conf.h"
 }
 
 UIPServer::UIPServer(uint16_t port) : _port(htons(port))

UIPUdp.cpp

@@ -19,16 +19,16 @@
 
 #include "UIPEthernet.h"
 #include "UIPUdp.h"
-#include "Dns.h"
+#include "utility/Dns.h"
 
 #ifdef UIPETHERNET_DEBUG_UDP
 #include "HardwareSerial.h"
 #endif
 
 extern "C" {
-#include "uip-conf.h"
-#include "uip.h"
-#include "uip_arp.h"
+#include "utility/uip-conf.h"
+#include "utility/uip.h"
+#include "utility/uip_arp.h"
 }
 
 #if UIP_UDP