#124 prepare scanning of web.xml descriptors
enable gitter build notifications
#141 reduce overhead of determining the root module
#124 add support for filter mappings
#124 add support for listeners
#141 cache plugin schema
#124 prepare unit test for web.xml scanner plugin
upgraded to Neo4j 2.1.6
#146 shade only schemacrawler artifacts
#153 use pwd for determining JQASSISTANT_HOME