snort3: finish up several incomplete capabilities

snort3: finish up several incomplete capabilities

Reporting
 - Use json alert data for 10x speed improvement in report generation
 - Include both gid and sid, plus packet direction in report output
 - Add by-date incident filtering
 - Add verbose mode which displays actual rules triggered and their source
 - Attempt to look up host names from IPs in verbose mode
 - Clean up display of port number involved in incidents

Rules
 - Complete downloader for subscription rules using oinkcode (only tested
   with snort.org's "free" tier subscription)
 - Auto-detect multiple rules files and include them in lua 'ips.rules'
 - Add '--backup' option to copy out current rules before installing new
 - Add '--persistent' option to 'snort-rules', storing in persistent location

CLI interface
 - Completely rework command line option parsing in all user scripts
 - Allow options and commands to be in any order on command line
 - Add long-form names for all options ('--help' for '-h' and so on)
 - Detect errors properly in options, enhance help pages

Bug fixes
 - Use 'mkdir -p' on all directory creation
 - Use proper tmp directory from 'snort.snort.temp_dir' everywhere

Signed-off-by: Eric Fahlgren <ericfahlgren@gmail.com>