etc-default support for systemd

Commits and the issues they fixed since v1.1.0-RC1

Issue(s)	Commit	Message
#737	af63778	SystemD services now source /etc/default/{{app_name}} #737 This change modifies
	3cec2d6	Fixing typos and sort related plugins
	d109245	Fix typo in description of maintainerScripts

Pull requests since v1.1.0-RC1

Pull Request(s)	Commit	Message
#733	e2d4453	Docker Plugin qualificationDocker Plugin qualification
#741	12c1549	Readme cleanupReadme cleanup
#743	0ff5b77	Fix typo in description of maintainerScriptsFix typo in description of maintain
#745	e32a059	SystemD services now source /etc/default/{{app_name}} (resolves #737)SystemD se

A big thank you to all the contributors!

#	Author
5	Nepomuk Seiler
1	Frank S. Thomas
1	Tim Harper
1	Matt Hughes