code clean up
maven deployment
Merge branch 'master' of https://github.com/IsNull/xattrj

Conflicts:
	src/main/java/org/securityvision/metadata/DefaultMetaDataSupport.java
	src/main/java/org/securityvision/metadata/IFileMetaDataSupport.java
	src/main/java/org/securityvision/metadata/XAttrMetaDataSupport.java