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Release 3.11.0

Carrot2 Project......
Carrot2: open source framework for building search clustering engines
The 3.11.0 release fixes a number of issues and comes with updates of third party libraries.
Apache Lucene

Upgrade of Apache Lucene to version 5.3.1.

DCS freezing

The DCS could freeze at startup on machines with a high CPU count. We upgraded Jetty and rewrote the thread pool configuration code to handle this issue.

Circles and FoamTree

Upgrade of Circles and FoamTree to their newest version.

Apache Mahout

Removed direct dependency on Apache Mahout (inlined just a subset of required classes).

Security Manager

Minor improvements and tweaks to allow the framework to work in a security manager controlled environment.

For a complete list of improvements and bug fixes, see JIRA