Branch for initiating release of 1.4

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Retagging to version 1.5 for trunk.

We just noticed the style was set to not have new lines at the end, this has been amended. This is needed because the scripts to convert versions will add blank lines to the end of the file. See ACCUMULO-41. I will not be reformatting all 1.4 branch files to the new standard now, but they may be touched next time this script is run. Please be sure to update your formatter file.

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ACCUMULO-53 committed changes to trunk and 1.4 branch

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ACCUMULO-103 corresponding changes for 1.4 branch and trunk

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ACCUMULO-70 updated site based on user manual changes

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ACCUMULO-148 added javadocs for combiner base classes

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ACCUMULO-151 changed default behavior of Combiner and modified default test

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ACCUMULO-151 cleaned up options validation

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ACCUMULO-148 added javadocs

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ACCUMULO-148 repaired other javadocs

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ACCUMULO-103 fixed typo in constraints example

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ACCUMULO-148 ACCUMULO-154 

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ACCUMULO-155 moved some user iterators into the user package, deprecated things, began dealing with deprecation of PerColumnIteratorConfig.  also fixed bug related to reconfiguring VersioningIterator when adding new Aggregators.

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ACCUMULO-157 merged license additions to 1.4

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ACCUMULO-156 removed unused Trie code

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ACCUMULO-157 property changes for 1.4

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ACCUMULO-125 fixed link in bulk ingest documentation in 1.4

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ACCUMULO-166 merge from 1.3 branch

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ACCUMULO-166 merge from 1.3 branch

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ACCUMULO-129 catch ClassCastException and explain

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