Add support for Ideographic Space to the queryparser - also know as fullwith 
space and wide-space
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                 Key: LUCENE-1528
                 URL: https://issues.apache.org/jira/browse/LUCENE-1528
             Project: Lucene - Java
          Issue Type: Improvement
          Components: QueryParser
    Affects Versions: 2.4.1
            Reporter: Luis Alves
            Priority: Minor
             Fix For: 2.4.1


The Ideographic Space is a space character that is as wide as a normal CJK 
character cell.
It is also known as wide-space or fullwith space.This type of space is used in 
CJK languages.

This patch adds support for the wide space, making the queryparser component 
more friendly
to queries that contain CJK text.

Reference:
http://en.wikipedia.org/wiki/Space_(punctuation) - see Table of spaces, char 
U+3000.

I also added a new testcase that fails before the patch.
After the patch is applied all junits pass.

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