Merge pull request #1 from jeviolle/master

added hamming
Merge pull request #2 from jeviolle/master

added Gigasecond
Merge pull request #3 from jeviolle/master

Added raindrops
Merge pull request #4 from jeviolle/master

added RNA Transcription and updated config.json
Merge pull request #5 from jeviolle/master

Added difference-of-squares, updated config.json
Merge pull request #6 from jeviolle/master

added leap
added nth-prime
Added robot-name
fixed robot-name example to padLeft the numerical part of the name
Added roman-numerals
added grains
added word-count