NMS-6687: Initial revision of SshMonitor

http://issues.opennms.org/browse/NMS-6687

Cyrille
Added SshMonitor.adoc to index.adoc

Cyrille
NMS-6687: some German Ordnungswahn

Cyrille
NMS-6687: Merge branch 'cyr-doc-SshMonitor' of https://github.com/StCyr/opennms into StCyr-cyr-doc-SshMonitor

Conflicts:
	opennms-doc/guide-admin/src/asciidoc/index.adoc
Merge branch 'StCyr-cyr-doc-SshMonitor' into upstream-dev-docs