Implementing 2 new methods
Using generics
fixed uploader expression resolving
Merge branch 'master' of github.com:idega/com.idega.content into BRANCH_PLATFORM_5

Conflicts:
	src/java/com/idega/content/repository/bean/WebDAVItem.java
	src/java/com/idega/content/upload/presentation/FileUploadViewer.java