Log Message:
Update ipadic package to 2.7.0.

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ipadic-2.7.0 (2003/11/15)
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- Parameters are updated
- CTYPE/CFORM are modified

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ipadic-2.6.3 (2003/8/15)
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- Parameters are updated

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ipadic-2.6.2 (2003/8/6)
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- Parameters are updated

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ipadic-2.6.1 (2003/8/2)
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- for ChaSen-2.3.2
  -- Makefile.am is modified
- chasenrc.in
  -- COMPOSIT -> COMPOSIT_POS

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ipadic-2.6.0 (2003/6/14)
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- Parameters are updated
- added new words from Prof. Tsurumaru (Nagasaki Univ.)
  -- listed in \ 
http://chasen.aist-nara.ac.jp/~masayu-a/ipadic/arch/ipadic-2.6.0-diff.txt
- added new words
  -- listed in \ 
http://chasen.aist-nara.ac.jp/~masayu-a/ipadic/arch/ipadic-2.6.0-add.txt
- for ChaSen-2.3.1
  -- removed .pat, .ary
  -- configuration for Double Array library Darts
     http://cl.aist-nara.ac.jp/%7etaku-ku/software/darts/
  -- option -i (Character Code)
     e:EUC-JP, s:Shift_JIS, w:UTF-8, a:ISO-8859-1

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ipadic-2.5.1 (2002/1/30)
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- Parameters are updated
- added new words -- listed in \ 
http://chasen.aist-nara.ac.jp/~masayu-a/ipadic/arch/ipadic-2.5.1-newword.txt
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ipadic-2.5.0 (2001/4/13)
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- SJIS(CRLF) problem is fixed
- Japanese Reading modification