Support 'secondary actors' in CML (use cases) and Use Case Diagram Generator

[stefan-ka]

…nerator

[codecov[bot]]

Codecov Report

Merging #332 (54b0db6) into master (da2f4fe) will increase coverage by 0.0%. The diff coverage is 100.0%.

@@           Coverage Diff            @@
##             master    #332   +/-   ##
========================================
  Coverage      93.0%   93.0%           
- Complexity     2318    2321    +3     
========================================
  Files           202     202           
  Lines          6243    6250    +7     
  Branches        837     838    +1     
========================================
+ Hits           5807    5814    +7     
  Misses          215     215           
  Partials        221     221           

Impacted Files	Coverage Δ
...erator/plantuml/PlantUMLUseCaseDiagramCreator.java	100.0% <100.0%> (ø)