Changes:
- 4d6cf34 Add semantic validator for duplicate Example column header names (#2475)
- fda40e9 logo update (#2474)
- 1d4476a External data plugin, support for CSV and Excel files (#2429)
- 4f0fdde #2307 Fixed bug when feature context can't be resolved at static methods (#2449)
- 749d213 added markdown section to Gherkin-Reference.md (#2470)
- 7135803 wording updated (#2468)
- b727d23 fixed broken images (#2467)
- 20e28a0 logo updates (#2465)
- aaaa53b special chars in the name troubleshoot (#2464)
- 31d3cc2 Should not log error if TestAssembly does not have a RuntimePlugin attribute (#2462)