Fix kanji optional matcher in DaijirinEntry

Added full-width braces support.
Group child parsing initializators in Daijirin
Simplify sorting logic in Daijirin
Parse '=' child entries in Daijirin
Bump daijirin.marshal version to 2

Justified by changes to entry sorting and parsing
Add timezone support to .time in Clock
Improve timezone support and formatting in Clock

Added support for ISO-3166 country codes,
case-sensitive timezone abbreviations,
and full timezone names.
Avoid times differing only by timezone in Clock
Add shortened timezone lookup to Clock
Make regexp searches always show kanji
Fix regexp "no hits" message in EDICT