textsearch-ja - textsearch-ja: Added pure-mecab text parser and

Log Message:
-----------
Added pure-mecab text parser and configuration as "mecab".
It is good at some composite words, but has issues with numerics and HTML document.

Modified Files:
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    textsearch-ja:
        textsearch_ja.c (r1.16 -> r1.17)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch-ja/textsearch_ja.c?r1=1.16&r2=1.17)
        textsearch_ja.sql.in (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch-ja/textsearch_ja.sql.in?r1=1.5&r2=1.6)
        uninstall_textsearch_ja.sql (r1.5 -> r1.6)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch-ja/uninstall_textsearch_ja.sql?r1=1.5&r2=1.6)
    textsearch-ja/expected:
        textsearch_ja.out (r1.4 -> r1.5)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch-ja/expected/textsearch_ja.out?r1=1.4&r2=1.5)
    textsearch-ja/sql:
        textsearch_ja.sql (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch-ja/sql/textsearch_ja.sql?r1=1.4&r2=1.5)