Made .java files open in a new JSourcePanel tab.
Added methods to create new JReader and JSource tabs.
Added close buttons to tabs.
Removed dead code.
Added hacky functionality to load class source code in JSourcePane tab.
Added class to download files from the net.
Added method to unzip source package.
Added cancel option to download. Added download and extract methods to JReaderSetup.
Fixed some bugs with incorrect paths getting passed to JSourcePane. Added experimental code folding/expanding methods. Added some comments.
Added some new folders
Added more comments.
JReader didn't really need to implement runnable.