Enhance the IdeaFile class to easily support mixing in of custom components from either the filesystem or from an artifact.
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Change the default version of the IDEA project files created to the current release version 13.
Change the default version of the jdk in IDEA project files to 1.7
Enhance ipr.add_glassfish_configuration to use the default naming convention and update it to the latest version of GlassFish
Updated the gwt addon to support the upcoming GWT 2.7.x release.
Update checkstyle addon to use Checkstyle 6.0.
Upgrade jacoco to 0.7.2
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