initial scratch work on better svg export
Improve runtime loading of classes
Refactoring of creating classes by reflection for PluginSource and CommandExecutor
Load jars from plugin directory at startup

Pretty sure our old method of just trying to add URLs to the classloader wasn't working
Have eps export working sometimes

Done by reflection so the user would need the jar in the plugins directory. Sometimes the export works and sometimes it doesn't, it's not clear to me the rhyme or reason
Revert incorrectly changed bedtools default path
Close EPSGraphics

This is necessary to flush the output
log.trace only if jibble EPSGraphics class not found, instead of log.warn

It is expected that this class won't be found most of the time