Update Changelog

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+2013-02-17 - Version 3.0
+
+This new major release adds parallel log processing by using as many cores as
+wanted to parse log files, the performances gain is directly related to the
+number of cores specified. There's also new reports about autovacuum/autoanalyze
+informationa and many bugs have been fixed.
+
+       - Remove usage of Storable::file_magic to autodetect binary format file,
+         it is not include in core perl 5.8. Thanks to Marc Cousin for the
+         report.
+       - Force multiprocess per file when files are compressed. Thanks to
+         Julien Rouhaud for the report.
+       - Add progress bar logger for multiprocess by forking a dedicated
+         process and using pipe. Also fix some bugs in using binary format
+         that duplicate query/error samples per process.
+       - chmod 755 pgbadger
+       - Fix display of empty table with --enable-log_min_duration on a file
+         without statement.
+       - Fix checkpoint reports when there is no checkpoint warnings.
+       - Fix non report of hourly connections/checkpoint/autovacuum when not
+         query is found in log file. Thanks to Guillaume Lelarge for the
+         report.
+       - Add better handling of signals in multiprocess mode.
+       - Add -J|--job_per_file command line option to force pgbadger to use
+         one process per file instead of using all to parse one file. Useful
+         to have better performances with lot of small log file.
+       - Fix parsing of orphan lines with stderr logs and log_line_prefix
+         without session information into the prefix (%l).
+       - Update documentation about -j | --jobs option.
+       - Allow pgbadger to use several cores, aka multiprocessing. Add options
+         -j | --jobs option to specify the number of core to use.
+       - Add autovacuum and autoanalyze infos to binary format.
+       - Fix case in SQL code highlighting where QQCODE temp keyword was not
+         replaced. Thanks to Julien Ruhaud for the report.
+       - Fix CSS to draw autovacuum graph and change legend opacity.
+       - Add pie graph to show repartition of number of autovacuum per table
+         and number of tuples removed by autovacuum per table.
+       - Add debug information about selected type of log duration format.
+       - Add report of tuples/pages removed in report of Vacuums by table.
+       - Fix major bug on syslog parser where years part of the date was
+         wrongly extracted from current date with logs generated in 2012.
+       - Fix issue with Perl 5.16 that do not allow "ss" inside look-behind
+         assertions. Thanks to Cedric for the report.
+       - New vacuum and analyze hourly reports and graphs. Thanks to Guillaume
+         Lelarge for the patch.
+
 2013-01-17 - Version 2.3
 
 This release fixes several major issues especially with csvlog and a memory leak