added fetch routine to query failure cause exception
added chinese localization of recursive directory watch logger
Merge remote-tracking branch 'origin/master' into add-storage-layer

Conflicts:
	araqne-logdb-cep/pom.xml
	araqne-logdb-crawler/pom.xml
	araqne-logdb-groovy/pom.xml
	araqne-logdb/pom.xml
	araqne-logdb/src/main/java/org/araqne/logdb/msgbus/LogQueryPlugin.java
implemented tryWrite family