Also add user-specified source directory to classpath
GUI log viewer window
Include logging settings file in source file list
Remove hacky classloader things
Update start2.sh script (to start jscfi without building it)
Add Mathematica as source variant
Add settings kill-tasks and collect-stats to GUI
Refactor run.pbs, implement kill-tasks and collect-stats settings
newlines at the end of snippets
In nopbs mode, run run.pbs on the first worker node
Bump version to 1.7