Initial revision of the HttpsMonitor monitor.

Cyrille
Fixed a layout issue.

Cyrille
NMS-6733: Include IcmpMonitor in main doc

- Included in index.adoc in alphabetical order
- Removed forced line break in general description
- Minor format changes for better readability
Merge pull request #58 from indigo423/NMS-6733-Include-IcmpMonitor-in-main-doc

NMS-6733: Include IcmpMonitor in main doc
Added a link to HttpMonitor's documentation + removed denigrating "just"

Cyrille
Manually applied changes made by Indigo423 in https://github.com/StCyr/opennms/pull/1

Cyrille
Merge pull request #56 from StCyr/cyr-doc-HttpsMonitor

Initial revision of HttpsMonitor documentation