Declare rssPlugin config if it isn't set in config.php to avoid PHP Notices
Declare fileReaderPlugin config if it isn't set in config.php to avoid PHP Notices
Avoid array to string conversion when multiple channels are set in config
Declare autoOpPlugin config if it isn't set in config.php to avoid PHP Notices
Make sure we throw the no-config-error before trying to require a non-existing config file
Merge remote-tracking branch 'upstream/master' into fix/bootuperrors

Conflicts:
	plugins/autoOpPlugin.php
	plugins/fileReaderPlugin.php
	plugins/rssPlugin.php
Merge pull request #20 from hashworks/fix/bootuperrors

Fix some bootup warnings for specific config settings