Remove dependency on osgi.j2ee
Added option to set type explicitly when creating property
(e.g. convenient when setting null values)
When clearing property also clear (optional) binary field
Fixed deleteMessage and deleteProperty 'methods'
Removed beta classloader support
Removed beta classloader support
Removed beta user support
Merge branch 'master' into experimental

Conflicts:
	core/com.dexels.navajo.expression/src/com/dexels/navajo/parser/ASTFunctionNode.java