eoip: Add package

add eoip package,this can create ethernet
tunnels compatible with Mikrotik EoIP tunnel.
At current moment it is easiest way
to create stateless tunnel with Mikrotik.

Signed-off-by: Bogdan Shatik <bogdikxxx@mail.ru>

net/eoip/patches/100-add_LF_to_pidfile.patch

@@ -0,0 +1,11 @@
+--- a/eoip.c	2013-09-25 22:50:48.272763057 +0200
++++ b/eoip.c	2013-09-25 22:51:03.804762840 +0200
+@@ -430,7 +430,7 @@
+ 	exit(1);
+ 
+     mfd = fopen(pidfile, "w");
+-    fprintf(mfd,"%d", getpid());
++    fprintf(mfd,"%d\n", getpid());
+     fclose(mfd);
+ 
+     /* structure of Mikrotik EoIP: