Merge remote-tracking branch 'upstream/master'

Conflicts:
	InformationRetriever/src/main/java/com/amazon/webservices/awsecommerceservice/_2011_08_01/Main.java
	InformationRetriever/src/main/java/structure/handlers/FileAssistent.java
Merge remote-tracking branch 'upstream/master'

Conflicts:
	InformationRetriever/src/main/java/com/amazon/webservices/awsecommerceservice/_2011_08_01/Main.java
	InformationRetriever/src/main/java/structure/handlers/FileAssistent.java
added log4j dependancy for commons