Snort++ Update

Pushed build 230 to github (snortadmin/snort3):

• require hyperscan >= 4.4.0, check runtime support; thanks to justin.viiret@intel.com for submitting the patch 
• fix search tool issue with empty pattern database; thanks to justin.viiret@intel.com for reporting the issue
• fix sip_method to error out if sip not instantiated
• major appid overhaul to address lingering concerns: refactor, cleanup, simplify
• major detection overhaul to address lingering concerns: refactor, cleanup, release memory ASAP
• add FlatBuffers output format to perf_monitor; also added tool to convert FlatBuffers files to yaml
• add regex.fast_pattern; do not use for fast pattern unless explicitly indicated
• update copyrights to 2017