Update all runs to use groups

* Re-run everything in tutorial
Add .watsonrc
Rename utility testing to parsing testing
Rename test files to obey a specific execution order
Test for the existence of groups file
Add todo comment and test Watson
Add invalid groups file
Test groups file and content
Change the order of parsing Zproject creation testing
Rename tests and move all common paths to options
Groups slot and parsing works
Start plotting examples
Update docs
Fix output path parsing
Add functionality for assigning and getting group names
Start refactoring performance curves plotting
Update NEWS and bumo to 0.2.1