mtr: import from old packages

update from v0.82 to v0.85

set myself as maintainer

drop out of date patches:
patches/520-libresolv_fix.patch
patches/521-gtk_fix.patch

backport 25a2456 from upstream to fix glib dependency issue:
patches/521-glib-dependency-fixes.patch

Signed-off-by: Jonathan McCrohan <jmccrohan@gmail.com>

net/mtr/patches/502-fix-res_ninit.patch

@@ -0,0 +1,31 @@
+--- a/dns.c
++++ b/dns.c
+@@ -1305,28 +1305,6 @@ res_nmkquery(res_state statp,
+                 return (-1);
+         memset(buf, 0, HFIXEDSZ);
+         hp = (HEADER *) buf;
+-        /* We randomize the IDs every time.  The old code just
+-           incremented by one after the initial randomization which
+-           still predictable if the application does multiple
+-           requests.  */
+-#if 0
+-        hp->id = htons(++statp->id);
+-#else
+-        hp->id = htons(statp->id);
+-        int randombits;
+-        do
+-          {
+-#ifdef RANDOM_BITS
+-            RANDOM_BITS (randombits);
+-#else
+-            struct timeval tv;
+-            gettimeofday (&tv, NULL);
+-            randombits = (tv.tv_sec << 8) ^ tv.tv_usec;
+-#endif
+-          }
+-        while ((randombits & 0xffff) == 0);
+-        statp->id = (statp->id + randombits) & 0xffff;
+-#endif
+         hp->opcode = op;
+         hp->rd = (statp->options & RES_RECURSE) != 0;
+         hp->rcode = NOERROR;