Implemented comment_lines. Added stampede_briefing.pptx.
Corrected Sonar issues.
Added StampedeMetricResultHandler.
Added PhysicalLinesAggregateViolationHandler.
Refactored MumpsSensor.
Added SyntaxErrorViolationHandler.
Count blank lines as NCLOCs.
Updated license headers.
Updated briefing.
Updated demo and README.