Remove redundant includesFlows field
Regenerate model-elements-base classes
Add includesFlows() method to determine whether the report contains flow information
Add check for whether flow state map is included
Add covariant getMean() method, fix bug in includesFlows
Covariant overrides from model elements base -> model elements
Utility for extracting sub-list of origin links from list of all links
Merge pull request #27 from andrewbts/master

Remove redundant includesFlows field