$self: this object
DESCRIPTION
This method extends Module::start and is invoked to start proxy manager
$self: this object
DESCRIPTION
This method shows a message box warning the user that a X server restart is required
$self: this object $proxy: the hash containing what returns from getVarFromSh eventually modified by the user
DESCRIPTION
This method returns true if the each value match certain conditions like the leading http:// for http proxy or https:// for the https proxy, etc. $proxy is passed by reference thus $proxy->{no_proxy} value is sanitized (trimmed).