7074264: Review : Adds unit tests to sources and switches to packages tree view

[Mike Duigou]

Hello All;

A small patch to the J2SE Netbeans project to add the unit test sources. It also switches the source view to "tree" layout as the package lists are too large for easy navigation.

http://cr.openjdk.java.net/~mduigou/7074264/0/webrev/

Mike