#6 refactor code base of the radar chart directive to ensure better testability
#6 removed obsolete console logs
#6 included the new controller file to the scripts to load in index.html
closed #6 added unit tests for radar chart directive
Merge branch 'feature/6-unit-test-radar-chart' into dev
minor changes to satisfy jslint
fixed #7
Merge branch 'bug/7-selection-of-two-equal-points' into dev