First version for automated visual tests - WIP
Added visual regression in tests. Sweet Jesus riding a raptor in Scotland, it kicks asses.
Added test cases
Enforced Courier as a font instead of monospace
Fixed the visual regressions threshold score at 100 (less than 100 means success)
Added a comment when score is too high in images diff of visual regression tests
Merge pull request #71 from n3-charts/screenshots

Visual regression tests