LUCENE-4636: Upgrade ivy to 2.3.0

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441296 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4733: Refactor term vectors formats tests around a BaseTermVectorsFormatTestCase (merged from r1441367).


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441379 13f79535-47bb-0310-9956-ffa450edef68
Fix test bug (used to rely on internal doc IDs, merged from r1441395).


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441397 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4370: Allow configuring commitWithin to do hard commits.

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fix bad conflict merge on CHANGES from last commit

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add eol prop

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LUCENE-4733: merge Lucene42 codec from lucene-4547 branch

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Merged revision(s) 1441726 from lucene/dev/trunk:
LUCENE-4740: Don't track clones of MMapIndexInput if unmapping is disabled. This reduces GC overhead.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441727 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4733: Make CompressingTermVectorsFormat the new default term vectors format (merged from r1441732).


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441760 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4733: More term vectors formats tests (TVReader.clone and TVWriter.merge).


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441763 13f79535-47bb-0310-9956-ffa450edef68
Fix compilation under Java 6 (merged from r1441764).


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441765 13f79535-47bb-0310-9956-ffa450edef68
Replace "throw exception" with the more idiomatic Junit's "assertNull", following Uwe's advice.


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441835 13f79535-47bb-0310-9956-ffa450edef68
add timeouts to http calls in SnapPuller

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1441914 13f79535-47bb-0310-9956-ffa450edef68
drop the connect timeout from 45 sec

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tests: add timeouts for http client

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tests: add timeouts for http clients

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tests: raise so timeout

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tests: raise test pause

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LUCENE-4749 - merged back to branch_4x

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LUCENE-4749 - merged back to branch_4x

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