#73 make ServiceLoaderPluginScanner work in maven plugin
Merge remote-tracking branch 'origin/master'

Conflicts:
	plugin/java/src/test/java/com/buschmais/jqassistant/plugin/java/test/scanner/ServiceLoaderIT.java
use Neo4j SubGraphExporter for writing cypher files
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
#68 generalized scanner plugin API