* fix a few bare URLs
* make mdl happy
* make Weathermap.md as mdl happy as possible
* make Varnish.md as mdl happy as possible
* make Two-Factor-Auth.md mdl happy
* touch one header for Syslog.md, but little can be done about the rest
* make Sub-Directory.md as mdl happy as possible
* make SNMP-Trap-Handler.md lint happy
* make SNMP-Proxy.md mdl happy
* make Smokeping.md as mdl happy as possible
* make Services.md mdl happy
* make RRDTune.md mdl happy
* cleanup RRDCached.md as much as possible
* make RRDCached-Security.md mdl happy
* make Rancid.md as mdl happy as possible
* make Proxmox.md mdl happy
* make Plugin-System.md as mdl happy as possible
* make PeeringDB.md mdl happy
* make Oxidized.md more lint happy
* make Network-Map.md mdl happy
* make MIB-based-polling.md as mdl happy as possible
* make Metric-Storage.md mdl happy
* make IRC-Bot.md as mdl happy as possible
* make IRC-Bot-Extensions.md as mdl happy as possible
* make
* make Graylog.md mdl happy
* make Gateone.md mdl happy
* make Fast-Ping-Check.md mdl happy
* make Distributed-Poller.md as mdl happy as possible
* make Dispatcher-Service.md as mdl happy as possible
* make Device-Groups.md mdl happy
* make Dell-OpenManage.md mdl happy
* make Dashboard.md mdl happy
* make Customizing-the-Web-UI.md as mdl happy as possible
* make Component.md mdl happy
* make Billing-Module.md mdl happy
* make Auto-Discovery.md mostly mdl happy
* make Authentication.md as mdl happy as possible
* tidy up a few lines in Applications.md
* make Agent-Setup.md as mdl happy as possible
* make metrics/OpenTSDB.md mdl happy
* spelling fix
