addresses various review comments
	renamed:    docs/gettingstarted/examples/elk-example-kibana-messages1.png -> docs/gettingstarted/examples/elk-example-kibana-messages.png
	modified:   docs/gettingstarted/examples/environment.rst
	modified:   docs/gettingstarted/examples/index.rst
	modified:   docs/gettingstarted/examples/linking.rst
	modified:   docs/gettingstarted/examples/postgres.rst
	modified:   docs/spelling_wordlist.txt