As you know, user documentation for a dynamic project can't keep up with development. A Java programmer could tell you the purpose of each of those files. They are probably discussed in the developer's mailing lists. Here you go

http://gui.limewire.org/servlets/Bro...ev&paged=false
http://gui.limewire.org/servlets/Bro...vs&paged=false
http://core.limewire.org/servlets/Br...ev&paged=false
http://core.limewire.org/servlets/Br...vs&paged=false
http://groups.yahoo.com/group/the_gdf/