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: Solve merge conflict including SshMonitor in the main doc
Merge branch 'StCyr-cyr-doc-SshMonitor' into development/docs