Update dependencies
Sonar code coverage not capturing bootclasspath

New jacoco system property to capture bootclasspath won't be available
until next release, but can add the system property now.
Simplify logback configuration for plugin tests
Better cleanup of generated jars
Fix issue on pointcut UI screen
Make method signature a required form input
Improve pointcut class name typeahead
Clarify some of the bootstrap class loader code
Fix UI due to prior renaming
Improve warn logging
Improve trace profile UI
Implement better locking on the data dir
TEMP SAUCE LABS ON TRASK/GLOWROOT