[time zone] support for TZDatetime and TZTime data type Should be usable and cause no crash, though some stuff may still be refined (test value generation, display in views/forms...) Proprify some data structures dealing with yams base types along the way and adding warning when some were missing (eg Interval usually).

cubicweb-web: embedded-javascript-library usr/share/cubicweb/cubes/shared/data/jquery.js