Log Message:
Update uim to 1.8.1.
Based on PR 46595 by YAMASHIRO, Jun (fixes some missing PLIST entry).
* switch to enable expat and prime options by default.

Overview of changes from 1.8.0 to 1.8.1
=======================================
* Fixes
  - uim-toolbar-gtk3-systray
  - uim-toolbar-gtk-systray
    * Fix bug: prevent from becoming a zombie process

  - uim-candwin-gtk3
  - uim-candwin-gtk
    * Redraw unselected text with normal color

  - uim-tutcode
    * Fix bug: key which is not in rule (ex. "5")
      is not entered on (interactive) bushu conversion

  - po
    * Correct the path to GNOME_UimApplet.server.in in POTFILES.skip

  - uim-qt4
    * Honor the environment variable LDFLAGS during build

  - uim-notify
    * Fix compilation with glib >= 2.32

* Enhancements
  - uim-tutcode
    * New customs
      - Show pending key sequences
      - New custom group for tutcode-rule.scm: support TUT+ code
        which has rules for Shin Joyo Kanji
      - Key sequences to change katakana/hiragana mode (not toggle)
    * New command to dump last help content shown on candidate window
    * Pseudo table style for bridge which does not support
      table style candidate window
    * Updated trycode composition table retrieved 2012-05-26

* Others
  - GTK+2 immodule
  - uim-xim
    * Replace deprecated XKeycodeToKeysym() with XkbKeycodeToKeysym()

Overview of changes from 1.8.0-beta to 1.8.0
============================================
* Fixes
  - libgcroots
    * Fix version ([uim-en 438])
  - doc
    * Fix release manual.

Overview of changes from 1.8.0-alpha to 1.8.0-beta
==================================================
* Fixes
  - libuim
    * Fix version number
  - po
    * Fix build failure with intltool 0.50 again (#58097)
  - uim-toolbar-gtk
  - uim-toolbar-gtk3
  - uim-toolbar-qt4
    * Change behavior when toolbar-display-time is "mode"
  - uim-chardict-qt
  - uim-chardict-qt4
    * Update Unicode block list
  - ChangeLog
    * Add ChangeLog.old.2

Overview of changes from 1.7.3 to 1.8.0-alpha
=============================================
* New features
  - uim-google-cgiapi-jp (new IM)
    * A web-based Japanese multi-segment input method
  - uim-baidu-olime-jp (new IM)
    * A web-based Japanese multi-segment input method
  - osx-dcs
    * OS X Dictionary Services support
  - uim-knotify4
    * notify agent for KDE4

* Fixes
  - uim-xim
    * Check if libXext is installed at configure
  - uim-gtk2
    * Check if gdk-x11-2.0 is installed at configure (#36024)
  - po
    * Fix build failure with intltool 0.50 (#58097)
  - pixmaps
    * Use rsvg-convert instead of rsvg (#47204)

* Enhancements
  - libuim
    * New custom type "table"

  - libuim
  - Gtk+ bridge
  - Qt4 bridge
  - XIM bridge (uim-xim)
    * New API for delay showing candidate window

  - Gtk+ bridge
  - Qt4 bridge
  - XIM bridge (uim-xim)
    * Add horizontal candidate window

  - uim-candwin-gtk
    * Add previous and next page buttons

  - uim-chardict-qt
  - uim-chardict-qt4
    * Merge translation files for chardict into the main translation file

  - uim-m17nlib
    * Make toolbar settings configurable in uim-pref

  - uim-pref-gtk
  - uim-pref-gtk3
  - uim-pref-qt4
    * Support custom type "table"
    * Make Japanese Romaji-Kana composing rule configurable

  - uim-skk
    * Kanji code (JIS/Kuten/Unicode) input mode
    * Add skkserver completion feature (by @eagletmt)

  - uim-tutcode
    * Delay showing candidate window
    * New postfix conversions: katakana,
      kanji to key sequence and key sequence to kanji
    * Conversion on selection: mazegaki, katakana,
      kanji to key sequence and key sequence to kanji
    * New help functions: for character at current position
      and for string in clipboard
    * Clipboard support
      - Paste from clipboard to preedit
      - Key sequence to kanji conversion from clipboard
    * Undo last commit
    * Treat button click on stroke help window as key press
    * New customs
      - Add choice of bushu conversion algorithm:
	tc-2.3.1 and Kanchoku Win
      - New custom to exclude specified number of candidates
	from mazegaki learning
      - New custom to keep key sequence not convertible to kanji
      - Add choice about behavior of commit candidate by label key
      - Support binding user defined procedure to key sequence
    * Updated trycode composition table retrieved 2012-02-18