DOC: ChangeLog -- Added an entry about iptables-common.conf

ChangeLog

@@ -10,6 +10,11 @@ Fail2Ban (version 0.9.0.dev)                                          2014/xx/xx
 ver. 0.9.1 (2014/xx/xx) - better, faster, stronger
 ----------
 
+- Refactoring (IMPORTANT -- Please review your setup and configuration):
+   * iptables-common.conf replaced iptables-blocktype.conf
+     (iptables-blocktype.local should still be read) and now also
+     provides defaults for the chain, port, protocol and name tags
+
 - Fixes:
    * systemd backend error on bad utf-8 in python3
    * badips.py action error when logging HTTP error raised with badips request
@@ -34,14 +39,13 @@ ver. 0.9.1 (2014/xx/xx) - better, faster, stronger
 - New features:
    - Added monit filter thanks Jason H Martin.
 
-
 - Enhancements
    * Fail2ban-regex - add print-all-matched option. Closes gh-652
    * Suppress fail2ban-client warnings for non-critical config options
    * Match non "Bye Bye" disconnect messages for sshd locked account regex
-   * Add <chain> tag to iptables-ipsets.
+   * Add <chain> tag to iptables-ipsets
    * Realign fail2ban log output with white space to improve readability. Does
-     not affect SYSLOG output.
+     not affect SYSLOG output
    * Log unhandled exceptions
 
 ver. 0.9.0 (2014/03/14) - beta