Libical 3.0.1
Version 3.0.1 is a patch release mainly for fixing a bug with multi-threaded use.
This release is binary and source compatible with version 3.0.0.
ReleaseNotes:
- Built-in timezones updated to tzdata2017c
- Fix a multi-threaded deadlock in icaltimezone_load_builtin_timezone()
- Fix a CMake problem with parallel builds