Added support for MySQL logfiles
Added testcase for MySQL date format to testcases/datedetectortestcase.py
and example of MySQL log file.
Merge branch 'Support_for_mysql_log_example' of https://github.com/arto-p/fail2ban

* 'Support_for_mysql_log_example' of https://github.com/arto-p/fail2ban:
  Added testcase for MySQL date format to testcases/datedetectortestcase.py and example of MySQL log file.
  Added support for MySQL logfiles

Conflicts:
	testcases/datedetectortestcase.py -- conflictde with other added test cases
Adjusting previous PR (MySQL logs) according to my comments
ENH: for consistency (and future expansion ;)) -- rename to mysqld-auth