0.2.4 - Redesign markdown report

Redesign markdown report with a focus on GitHub preview and comment formatting

• Use tables for results
• Use detail elements for content result sets
• Include error stack trace
• Add pass rate per container
• Add overall result and percentages to summary
• Add optional user configurable report titles, usable by setting the title parameter - eg Title=My test report;
• Fix path splitting for container name on non windows machines