LibCore: Rename Udp classes to UDP

The kernel was already using the UDP prefix, and the TCP LibCore classes
are also uppercased. Let's rename for consistency.

Also order the LibCore Makefile alphabetically, because everywhere else
seems to be doing that :)

Libraries/LibCore/Makefile

@@ -1,33 +1,33 @@
 OBJS = \
     ArgsParser.o \
+    ConfigFile.o \
     DateTime.o \
-    IODevice.o \
-    File.o \
-    SocketAddress.o \
-    Socket.o \
-    LocalSocket.o \
-    LocalServer.o \
-    TCPSocket.o \
-    TCPServer.o \
-    UdpSocket.o \
-    UdpServer.o \
+    DirIterator.o \
     ElapsedTimer.o \
-    MimeData.o \
-    Notifier.o \
+    Event.o \
+    EventLoop.o \
+    File.o \
+    Gzip.o \
+    HttpJob.o \
     HttpRequest.o \
     HttpResponse.o \
-    HttpJob.o \
+    IODevice.o \
+    LocalServer.o \
+    LocalSocket.o \
+    MimeData.o \
     NetworkJob.o \
     NetworkResponse.o \
+    Notifier.o \
     Object.o \
-    Timer.o \
-    EventLoop.o \
-    ConfigFile.o \
-    Event.o \
     ProcessStatisticsReader.o \
-    DirIterator.o \
+    Socket.o \
+    SocketAddress.o \
+    TCPServer.o \
+    TCPSocket.o \
+    Timer.o \
+    UDPServer.o \
+    UDPSocket.o \
     UserInfo.o \
-    Gzip.o \
     puff.o
 
 LIBRARY = libcore.a