doc: add xt_quota2 changelog items

Cherry-picked commit v2.4-1-gfb3e550.

doc/changelog.txt

@@ -3,6 +3,53 @@ HEAD
 ====
 Changes
 - remove unmaintained RAWSNAT/RAWDNAT code
+Fixes:
+- xt_quota2: --no-change should not alter quota to zero ever
+- xt_quota2: --packet should not be set to zero based on skb->len
+
+
+v2.3 (2013-06-18)
+=================
+Enhancements:
+- Support for Linux 3.10
+Fixes:
+- xt_DNETMAP, xt_condition, xt_quota2: resolve compile error when
+  CONFIG_UIDGID_STRICT_TYPE_CHECKS=y
+- xt_RAWNAT: ensure correct operation in the presence of IPv4 options
+- xt_geoip: do not throw a warnings when country database is size 0
+- xt_quota2: print "!" at the correct position during iptables-save
+Changes:
+- Make print (iptables -L) output the same as save (-S)
+
+
+v2.2 (2013-03-31)
+=================
+Enhancements:
+- Support for Linux 3.9
+- iptaccount: fix entire program being erroneously optimized away on PPC
+
+
+v2.1 (2012-11-27)
+=================
+Fixes:
+- DNETMAP: fix compile error with Linux 3.7
+Enhancements:
+- Support for Linux 3.8
+
+
+v2.0 (2012-11-12)
+=================
+Changes:
+- remove support for Linux 2.6.17–3.6
+- remove xt_TEE (this is available upstream since 2.6.35)
+- remove xt_CHECKSUM (this is available upstream since 2.6.36)
+Enhancements:
+- Support for Linux 3.7
+
+If you want to use Xtables-addons with kernels older than 3.7,
+use the addons 1.x series, which continues to be maintained for
+the time being.
+>>>>>>> fb3e550... doc: add xt_quota2 changelog items
 
 
 v1.47.1 (2010-10-15)