NXP-13527: upgrade to selenium 2.39
NXP-13632: upgrade xstream from 1.3.1 to 1.4.6
NXP-13632: exclude xmlpull dep from xstream to avoid duplicate lib XmlPullParser also in xpp3
NXP-13555: build with Maven 3 (mainly plugin upgrades)
NXP-13555: replace nuxeo-distribution-tools with ant-assembly-maven-plugin
NXP-13555: remove duplicate dep
NXP-13643: remove retired maven-idea-plugin from pluginManagement
NXP-13646: add 'com.sun.jersey.contribs:jersey-multipart' dependency
NXP-13647: upgrade incremental-build-plugin to 1.6-NX1 (MAVEN_INCREMENTAL_BUILD-15)
NXP-13555: re-add nuxeo-distribution-tools wrapper for compat (it now logs a WARNING)
NXP-13647: upgrade maven-jar-plugin to 2.3.1 (thread-safe)
NXP-13663: add ability to override env PATH used by clone.py when ran from Ant