* Documented rare build case in which rrdtool does not build

* Fixed some memory cleanup issues in xml parser
* Removed xml library version checking
* Added check for configuration file presense
* Throw an error for invalid tags in <nat> section
* Added checks for NAT tag parameter validity
* Fixed some error messages that didn't have newlines at the end
* Fixed bug where comments in the NAT section create an endless loop in bwm_firewall
* Updated documentation to reflect changes
* Updated TODO appropriately

* Improved packet processing efficiency

* Automake 1.7 can be used
* Fixed "bug" in xml cflags determination
* Removed some crud that made its way into lib/Makefile.am

* Small documentation update to clarify the QUEUE target in relation to the INPUT, OUTPUT and FORWARD chains
* Small update to explain that bwmd must be end target of all accepted traffic in the INPUT or FORWARD chains

* Added configure option   --with-rrdtool-source, this option will build rrdtool and link BWM Tools statically
* Fixed glib detection bug in configure
* Fixed libxml detection bug in configure
* Fixed multiple entries in CREDITS file
* Updated TODO file

* Fixed small typo in bwm_firewall
* Added doc directory to that being built

* Added bwmtools texinfo manual

* Fixed bug when invalid options were specified but no error given
* If no graph output file is specified, no graph will be generated
* Added "hidden" options to available options to specify
* -o option changed to --graph-filename
* -t option changed to --graph-title
* Changed date format to  YYYY/MM/DD HH:MM:SS

* Display usage in more readable format

* Giang Hu  <freegianghu@gmail.com> - Added preliminary support for direct piping of iptables firewall into iptables-restore

* Modified options to the following...

-c,  --config=<config_file>     Specify non-default BWM Tools config file
-f,  --file[=<output_file>]     Generate iptables-restore file from BWM Tools firewall
-h,  --help                     Display this page
-r,  --reset-counters           Reset iptables counters, usable with "iptables-restore -c"

* Added more exact version to configure with regards to glib & libxml