Add CHANGELOG for 2.0.2

CHANGELOG

@@ -3,16 +3,91 @@ HISTORY
 (git master)
 
   * [Enter new changes just after this line - do not remove this line]
- 
+
+(STABLE-2.0.2)
+
+  ++ New features:
+
+  2017-02-10: Dirk Ziegelmeier
+  * Implement task #14367: Hooks need a better place to be defined:
+    We now have a #define for a header file name that is #included in every .c
+    file that provides hooks.
+
+  ++ Bugfixes:
+
+  2017-03-08
+  * tcp: do not keep sending SYNs when getting ACKs
+
+  2017-03-08: Joel Cunningham
+  * tcp: Initialize ssthresh to TCP_SND_BUF (bug #50476)
+
+  2017-03-01: Simon Goldschmidt
+  * httpd: LWIP_HTTPD_POST_MANUAL_WND: fixed double-free when httpd_post_data_recved
+    is called nested from httpd_post_receive_data() (bug #50424)
+
+  2017-02-28: David van Moolenbroek/Simon Goldschmidt
+  * tcp: fixed bug #50418: LWIP_EVENT_API: fix invalid calbacks for SYN_RCVD pcb
+
+  2017-02-17: Simon Goldschmidt
+  * dns: Improved DNS_LOCAL_HOSTLIST interface (bug #50325)
+
+  2017-02-16: Simon Goldschmidt
+  * LWIP_NETCONN_FULLDUPLEX: fixed shutdown during write (bug #50274)
+
+  2017-02-13: Simon Goldschmidt/Dirk Ziegelmeier
+  * For tiny targtes, LWIP_RAND is optional (fix compile time checks)
+
+  2017-02-10: Simon Goldschmidt
+  * tcp: Fixed bug #47485 (tcp_close() should not fail on memory error) by retrying
+    to send FIN from tcp_fasttmr
+
+  2017-02-09: Simon Goldschmidt
+  * sockets: Fixed bug #44032 (LWIP_NETCONN_FULLDUPLEX: select might work on
+    invalid/reused socket) by not allowing to reallocate a socket that has
+    "select_waiting != 0"
+
+  2017-02-09: Simon Goldschmidt
+  * httpd: Fixed bug #50059 (httpd LWIP_HTTPD_SUPPORT_11_KEEPALIVE vs.
+    LWIP_HTTPD_KILL_OLD_ON_CONNECTIONS_EXCEEDED)
+
+  2017-02-08: Dirk Ziegelmeier
+  * Rename "IPv6 mapped IPv4 addresses" to their correct name from RFC4191:
+    "IPv4-mapped IPv6 address"
+
+  2017-02-08: Luc Revardel
+  * mld6.c: Fix bug #50220 (mld6_leavegroup does not send ICMP6_TYPE_MLD, even
+    if last reporter)
+
+  2017-02-08: David van Moolenbroek
+  * ip6.c: Patch #9250: fix source substitution in ip6_output_if()
+
+  2017-02-08: Simon Goldschmidt
+  * tcp_out.c: Fixed bug #50090 (last_unsent->oversize_left can become wrong value
+    in tcp_write error path)
+
+  2017-02-02: Dirk Ziegelmeier
+  * Fix bug #50206: UDP Netconn bind to IP6_ADDR_ANY fails
+
+  2017-01-18: Dirk Ziegelmeier
+  * Fix zero-copy RX, see bug bug #50064. PBUF_REFs were not supported as ARP requests.
+
+  2017-01-15: Axel Lin, Dirk Ziegelmeier
+  * minor bug fixes in mqtt
+
+  2017-01-11: Knut Andre Tidemann
+  * sockets/netconn: fix broken default ICMPv6 handling of checksums
+
+(STABLE-2.0.1)
+
   ++ New features:
 
   2016-12-31: Simon Goldschmidt
   * tcp.h/.c: added function tcp_listen_with_backlog_and_err() to get the error
     reason when listening fails (bug #49861)
 
-  2016-12-20: Erik Andersen
+  2016-12-20: Erik Andersen
-  * Add MQTT client
+  * Add MQTT client
-
+
   2016-12-14: Jan Breuer:
   * opt.h, ndc.h/.c: add support for RDNSS option (as per RFC 6106)
 
@@ -43,7 +118,7 @@ HISTORY
 
   2016-12-05: Dirk Ziegelmeier
   * fixed compiling with IPv4 disabled (IPv6 only case)
-  
+
   2016-11-28: Simon Goldschmidt
   * api_lib.c: fixed bug #49725 (send-timeout: netconn_write() can return
     ERR_OK without all bytes being written)
@@ -72,7 +147,7 @@ HISTORY
   2016-11-11: Dirk Ziegelmeier
   * sockets.c: fixed bug #49578 (dropping multicast membership does not work
     with LWIP_SOCKET_OFFSET)
-  
+
 (STABLE-2.0.0)
 
   ++ New features: