Utility method to clone tasks. Also set .args and .kwargs on a Task (useful sometimes)
Merge pull request #89 from erikbern/task-args-kwargs

Set .args and .kwargs on a Task (useful sometimes)
Allow multiple comma separated email addresses for error-email in client.cfg
Merge pull request #91 from VisualDNA/support-multiple-emails-for-alerts

Allow multiple comma separated email addresses for error-email in client...
Added task status legend to dependency graph
Fixed graph width in Firefox
Fixed some issues with my previous commit

- .args clashed with HadoopJarJob's .args
- clone didn't work if a Task had global params (why did we add global params? We should remove them)
Merge pull request #92 from VisualDNA/dependency-graph-legend-with-firefox-fixes

Dependency graph legend with firefox fixes
Merge pull request #93 from erikbern/task-args-kwargs-2

Fixed some issues with my previous commit
Merge pull request #90 from dj4b1n/master

Added scheduler and worker parameters to run, build, and Interface.run in interface.py
added LuigiConfigParser in interface.py for backwards compatibility
Merge pull request #95 from erikbern/luigiconfigparser

added LuigiConfigParser in interface.py for backwards compatibility
Addition for worker/scheduler customization (pull request #90): updated _run_task in worker.py to return status so that the status can be used (i.e. sent to scheduler) in the custom worker/scheduler as necessary