Added Kadane's algorithm in Javascript
moved dirs from Kadanes_Algorithm to Maximum_Subarray, these are essentially the same problems, just that Kadane's Algo is a possible solution to the Maximum subarray problem
Added max_subarray in Ruby
Put comments in Kadane's algo and added functional version in Ruby
Merge pull request #95 from jcla1/kadanes_algo

Added Maximum Subarray in Javascript & Ruby, moved kadane's algo to maximum subarray