Title: Remove illegal characters from service descriptions of active checks
Level: 1
Component: core
Compatible: compat
Version: 1.2.6b1
Date: 1417682307
Class: fix

This fix removes illegal characters like brackets from service descriptions
of configured active checks (<tt>legacy_checks</tt>, <tt>custom_checks</tt> and
<tt>active_checks</tt>). These characters are disallowed by Nagios and will
lead to configuration errors.
