LUCENE-3846: make branch for fuzzy analyzing suggester

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene3846@1397170 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-3846: commit current patch

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene3846@1397171 13f79535-47bb-0310-9956-ffa450edef68
Make branch to switch default index format



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LUCENE-4446: quick stab at a start... I think core tests pass but all else is TODO/untested

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LUCENE-4446: cut over remaining tests etc

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LUCENE-3846: merge trunk

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LUCENE-4446: wrap up cutover to blockpostingsformat

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missing javadocs

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merge trunk

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene4446@1397893 13f79535-47bb-0310-9956-ffa450edef68
updated classpath.
LUCENE-4446: Switch to BlockPostingsFormat for Lucene 4.1

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1398086 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4446: flip file formats to point to 4.1 format

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LUCENE-4006: Add system requirements page (markdown)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1398564 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4006: Exchange files

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don't call merged segment warmer on 100% deleted segment; drop the merged reader from the pool if it's 100% deleted

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1398850 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4485: CheckIndex's terms, terms/docs pairs counts don't include deleted docs

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LUCENE-4464 polygon almost touch test

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LUCENE-4006: expect SYSTEM_REQUIREMENTS.txt in unpacked Lucene / Solr

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1399188 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4486: Add support for ConstantScoreQuery in Highlighter.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1399205 13f79535-47bb-0310-9956-ffa450edef68
add a way to keep a test's temporary files even if it passes (e.g. hprof profiler output or something)

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