Log Message:
Update libskk to 1.0.2 (and introduce introspection support).

Noteworthy changes in version 1.0.2 (2014-09-09)
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 * Migrate to libgee 0.8 from 0.6 (Issue#29).
 * rules: new ACT09 rule contributed by Naoki Mizuno (Issue#28).
 * Consume key event for "commit" command (Issue#26).  Use
   "commit-unhandled" for the previous behavior.
 * Comsume C-j in abbrev mode (Issue#24).