WHIDS v1.8.0 beta

Refactoring:

    - hids package
    - hook functions taking hids as first parameter to easily access config from hooks
    - removed global variables shared between hooks and HIDS
    - manager command handler moved from api package to hids to easily access hids config

Fixed issues:
    - Implement actionnable rules: #28
    - Implement event count: #29
    - Enrich events with signature information: #32
    - Automatic canary folder management: #33
    - Ability to configure audit policies from WHIDS config: #34
    - Set File System Audit ACLs from config: #35
    - Generate IR ready reports on detections: #36
    - Dump process tree: #38
    - Enrich event with Gene process scoring: #40
    - Add Admin API to list and download artifacts dumped: #42
    - Directory listing command: #44
    - Implement hash command: #45
    - Implement osquery command: #46
    - Implement terminate command: #47
    - Implement stat command: #48
    - Implement walk command: #49
    - Implement find command: #50
    - Implement report command: #51
    - Implement processes command: #52
    - Implement drivers command: #53