Started code review.  Changed up formatting.
Minor changes.
Got the linkeddatatest_artifact.html example working.
Added change event trigger.
Added sidecart example.
Still putting the finishing touches on the ldwidget.
Merged Bridget's latest code.
Made some changes to the XSLT transform.
Still working out some kinks.
I think I'm ready to hand this off.
Merged latest changes post code review.
Added .gitignore file.  Removed INSTALL.md.  README.md should be enough.
Working on simpler dependency managment and build system.
Testing build system.
Still experimenting with build system.
Ok.  So my squish build system is working nicely.
After some soul searching I realized this plugin needs to have multiple instances and shouldn't be a singleton.
Making small improvements.
Better event handling.
Still playing with multiple instances and events.