[MINOR] add additional "a href"s to stats page

This patch adds <a href> html links for proxies, frontends, servers
and backends. Once located, can be clicked. Users no longer have to
manually add #anchor to stat's url.
diff --git a/src/dumpstats.c b/src/dumpstats.c
index 70b96b5..1f0ae90 100644
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -989,6 +989,13 @@
 			     ".backup6	{background: #e0e0e0;}\n"
 			     ".rls      {letter-spacing: 0.2em; margin-right: 1px;}\n" /* right letter spacing (used for grouping digits) */
 			     "\n"
+			     "a.px:link {color: #ffff40; text-decoration: none;}"
+			     "a.px:visited {color: #ffff40; text-decoration: none;}"
+			     "a.px:hover {color: #ffffff; text-decoration: none;}"
+			     "a.lfsb:link {color: #000000; text-decoration: none;}"
+			     "a.lfsb:visited {color: #000000; text-decoration: none;}"
+			     "a.lfsb:hover {color: #505050; text-decoration: none;}"
+			     "\n"
 			     "table.tbl { border-collapse: collapse; border-style: none;}\n"
 			     "table.tbl td { text-align: right; border-width: 1px 1px 1px 1px; border-style: solid solid solid solid; padding: 2px 3px; border-color: gray; white-space: nowrap;}\n"
 			     "table.tbl td.ac { text-align: center;}\n"
@@ -1224,7 +1231,9 @@
 			chunk_printf(&msg,
 				     "<table class=\"tbl\" width=\"100%%\">\n"
 				     "<tr class=\"titre\">"
-				     "<th class=\"pxname\" width=\"10%%\"><a name=\"%s\">%s</a></th>"
+				     "<th class=\"pxname\" width=\"10%%\">"
+				     "<a name=\"%s\"></a>"
+				     "<a class=px href=\"#%s\">%s</a></th>"
 				     "<th class=\"%s\" width=\"90%%\">%s</th>"
 				     "</tr>\n"
 				     "</table>\n"
@@ -1247,7 +1256,7 @@
 				     "<th>Bck</th><th>Chk</th><th>Dwn</th><th>Dwntme</th>"
 				     "<th>Thrtle</th>\n"
 				     "</tr>",
-				     px->id, px->id,
+				     px->id, px->id, px->id,
 				     px->desc ? "desc" : "empty", px->desc ? px->desc : "");
 
 			if (buffer_feed_chunk(rep, &msg) >= 0)
@@ -1265,7 +1274,8 @@
 				chunk_printf(&msg,
 				     /* name, queue */
 				     "<tr class=\"frontend\"><td class=ac>"
-				     "<a name=\"%s/Frontend\">Frontend</a></td><td colspan=3></td>"
+				     "<a name=\"%s/Frontend\"></a>"
+				     "<a class=lfsb href=\"#%s/Frontend\">Frontend</a></td><td colspan=3></td>"
 				     /* sessions rate : current, max, limit */
 				     "<td>%s</td><td>%s</td><td>%s</td>"
 				     /* sessions : current, max, limit, total, lbtot */
@@ -1274,7 +1284,7 @@
 				     /* bytes : in, out */
 				     "<td>%s</td><td>%s</td>"
 				     "",
-				     px->id,
+				     px->id, px->id,
 				     U2H0(read_freq_ctr(&px->fe_sess_per_sec)),
 				     U2H1(px->counters.fe_sps_max), LIM2A2(px->fe_sps_lim, "-"),
 				     U2H3(px->feconn), U2H4(px->counters.feconn_max), U2H5(px->maxconn),
@@ -1491,7 +1501,9 @@
 							       "<i>no check</i>" };
 				chunk_printf(&msg,
 				     /* name */
-				     "<tr class=\"%s%d\"><td class=ac><a name=\"%s/%s\">%s</a></td>"
+				     "<tr class=\"%s%d\"><td class=ac>"
+				     "<a name=\"%s/%s\"></a>"
+				     "<a class=lfsb href=\"#%s/%s\">%s</a></td>"
 				     /* queue : current, max, limit */
 				     "<td>%s</td><td>%s</td><td>%s</td>"
 				     /* sessions rate : current, max, limit */
@@ -1501,7 +1513,7 @@
 				     "<td"
 				     "",
 				     (sv->state & SRV_BACKUP) ? "backup" : "active",
-				     sv_state, px->id, sv->id, sv->id,
+				     sv_state, px->id, sv->id, px->id, sv->id, sv->id,
 				     U2H0(sv->nbpend), U2H1(sv->counters.nbpend_max), LIM2A2(sv->maxqueue, "-"),
 				     U2H3(read_freq_ctr(&sv->sess_per_sec)), U2H4(sv->counters.sps_max),
 				     U2H5(sv->cur_sess), U2H6(sv->counters.cur_sess_max), LIM2A7(sv->maxconn, "-"));
@@ -1749,13 +1761,14 @@
 				chunk_printf(&msg,
 				     /* name */
 				     "<tr class=\"backend\"><td class=ac>"
-				     "<a name=\"%s/Backend\">Backend</a></td>"
+				     "<a name=\"%s/Backend\"></a>"
+				     "<a class=lfsb href=\"#%s/Backend\">Backend</a></td>"
 				     /* queue : current, max */
 				     "<td>%s</td><td>%s</td><td></td>"
 				     /* sessions rate : current, max, limit */
 				     "<td>%s</td><td>%s</td><td></td>"
 				     "",
-				     px->id,
+				     px->id, px->id,
 				     U2H0(px->nbpend) /* or px->totpend ? */, U2H1(px->counters.nbpend_max),
 				     U2H2(read_freq_ctr(&px->be_sess_per_sec)), U2H3(px->counters.be_sps_max));