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
Generalize and extend Karma plugin
Get rid of .reload_core in Loader
Use posix-spawn gem to avoid faulty fork in Mecab
Adapt to replaced gaiji format in Daijirin
Strip formerly-gaiji formatting symbol in Daijirin
Add .about command to Statistics
Add :dont_truncate option to IRCBot.send()
Avoid truncation in Menu
tmp guard against malicious users in Loader and Manage