added aditional libaries

Dependencies:   EthernetNetIf HTTPServer mbed-http mbed

Revision:
1:5550f9f9c548
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPServer.lib	Wed Apr 25 15:24:03 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/slowness/code/HTTPServer/#58c3d014a4e7