NMS-6678: Initial revision of OpenManageChassisMonitor's documentation

Please make sure that the monitor is really distributable.

http://issues.opennms.org/browse/NMS-6678

Cyrille
NMS-6638: Initial revision for AvailabilityMonitor's documentation

http://issues.opennms.org/browse/NMS-6638

Cyrille
NMS-6676: Initial revision of NtpMonitor's documentation

http://issues.opennms.org/browse/NMS-6676

Cyrille
NMS-6638: Added info about remote poller + implemented some improvement requested in https://github.com/OpenNMS/opennms/pull/62

Cyrille
NMS-6676: fixed a typo

Cyrille
Merge pull request #63 from StCyr/cyr-doc-NtpMonitor

NMS-6676: Initial revision of NtpMonitor's documentation
NMS-6678: Recommended layout changes + added info where to download Dell MIBs + added a node about the SNMP configuration preriquisite.

Cyrille
NMS-6638: Changed service name + updated the doc with latest info from jeffg (NMS-6735) regarding remote polling.

Cyrille
Merge pull request #62 from StCyr/cyr-doc-AvailabilityMonitor

NMS-6638: Initial revision for AvailabilityMonitor's documentation
Solved conflict including the OpenManageChassisMonitor
Merge branch 'StCyr-cyr-doc-OpenManageChassisMonitor' into development/docs