update to TZ 2021b
-rw-r--r-- 233 .gitignore
-rw-r--r-- 35068 COPYING
-rw-r--r-- 65937 Doxyfile
-rw-r--r-- 3048 README
drwxr-xr-x - db
-rwxr-xr-x 295 genemptyrcc.sh
-rwxr-xr-x 675 genrcc.sh
drwxr-xr-x - include
drwxr-xr-x - pscan
drwxr-xr-x - src
drwxr-xr-x - test
-rw-r--r-- 622 tzdata.pro
-rwxr-xr-x 985 update-timedb.sh
-rw-r--r-- 2119053 zonefiles.cpp