Clarify that libnet 1.1 and newer is OK, not just 1.1.x

INSTALL

@@ -4,8 +4,8 @@ This is the short version. For more info see the README.
 
 Dependencies
 ------------
-libnet 1.1.x
-  https://github.com/sam-github/libnet
+libnet 1.1 or newer
+  https://github.com/libnet/libnet
     or
   http://ftp.debian.org/debian/pool/main/libn/libnet/libnet_1.1.2.1.orig.tar.gz
   Note: Libnet 1.1.5 or later needed for Linux capability support.
@@ -29,9 +29,9 @@ to add stuff to the configure line, like:
 
 Installing, longer version
 --------------------------
-Note that arping 2.x requires libnet 1.1.x to work. It will NOT work with
-libnet 1.0.x. Arping 1.x works with libnet 1.0.x, but it's not included in the
-same package anymore.
+Note that arping 2.x requires libnet 1.1 or newer to work. It will NOT
+work with libnet 1.0.x. Arping 1.x works with libnet 1.0.x, but it's
+not included in the same package anymore.
 
 Standard autotools:   ./configure && make && make install
 

README

@@ -122,20 +122,12 @@ A: -T <IP/host> allows you to restrict the arping to a limited subnet, which
 ---
 Q: ./configure says I need libnet and/or libpcap
 
-A: Arping depends on libnet 1.1.x and libpcap, get libnet at:
-   http://packetfactory.openwall.net/projects/libnet/
-   and libpcap from http://www.tcpdump.org.
+A: Arping depends on libnet 1.1 or newer, and libpcap. Get libnet from
+   https://github.com/libnet/libnet and libpcap from http://www.tcpdump.org.
    Or more likely they were both included in your Linux distribution.
 
-   Lately www.packetfactory.net seems to be down, so you can get the original
-   tarball from the Debian archives:
-   http://ftp.debian.org/debian/pool/main/libn/libnet/libnet_1.1.4.orig.tar.gz
-   If that exact file doesn't exist there probably is one with a higher
-   version number.
-
-   Or github.com:
-   http://github.com/sam-github/libnet
-   http://github.com/ThomasHabets/libnet
+   The original libnet site
+   was http://packetfactory.openwall.net/projects/libnet/, but is not updated.
 ---
 Q: I get bus error on my non-x86 box
 

configure.ac

@@ -28,7 +28,7 @@ AC_CHECK_LIB([nsl], [gethostbyname])
 AC_CHECK_LIB([cap], [cap_init])
 AC_CHECK_LIB([rt], [clock_gettime])
 AC_CHECK_LIB([net], [libnet_name_resolve],
-      [AC_MSG_ERROR([libnet 1.0.x found. Arping 2.x requires libnet 1.1.x])])
+      [AC_MSG_ERROR([libnet 1.0.x found. Arping 2.x requires libnet 1.1 or newer])])
 AC_CHECK_LIB([net], [libnet_init], ,[AC_MSG_ERROR([libnet 1.1.x not found])])
 AC_CHECK_LIB([pcap], [pcap_open_live], ,[AC_MSG_ERROR([libpcap not found])])
 AC_SEARCH_LIBS([clock_gettime], [rt])