Implement Flashsort

[Eckankar]

https://en.wikipedia.org/wiki/Flashsort
http://www.neubert.net/Flacodes/FLACodes.html

[mlgubolin]

Working on it :)

[pvmm]

Hi. I would like to tackle this problem.

[roopalv54]

I have implemented this I dont know how can I merge it can you please guide.

[Eckankar]

@serendipity5497 You would need to send a pull-request: https://help.github.com/articles/creating-a-pull-request/