v2.0.1

First release to include .deb and .rpm packages and build tools.

• Add monitor plugin
• Add custom scripts and scripts plugin
  • canaryctl scripts
  • canaryctl scripts [enable|disable] disk_health.sh
• Add services plugin
  • monitors service port status
    • can generate warning/critical issues from this
  • this replaces other services plugins:
    • initd
    • launchctl
    • upstart
    • systemd
• Rewrite hardware plugin to use lshw, not dmidecode, for better coverage
• Rewrite users plugin to use Python's grp and pwd modules, for better (10x) performance