Changelog:
===========
* added support for an additional AIS Application Specific Message (Message Type 8)
* US environmental reports (DAC = 367 FID = 33)
* significantly improved decoding performance
* optimized AIS payload decoding using a base64-backed bit unpacker
* reduced NMEA parsing overhead through caching and parser optimizations
* improved enum lookup performance
* added support for additional AIS Application Specific Messages (Message Type 8)
* environmental reports (DAC = 1 FID = 26)
* area notices (DAC = 1 FID = 22/23)
* route information (DAC = 1 FID = 27/28)
* VTS and synthetic target reports
* added new enums for SOLAS equipment status and vessel ice class
* improved support for decoding application-specific AIS payloads
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>