switched the extended js from svn, including x.array and x.math
switched the type implementation from svn, including linkedlist, stack and queue
switched the type implementation from svn, including linkedlist, stack and queue, with their qunit test
Merge branch 'master' of https://code.google.com/p/algo-js
switched the sorting implementation from svn
switched the union find implementation from svn
switched some of graph implementation from svn
switched io script for test input from svn
commented some iteration methods of array, see Ecma-262
add blanket.js for code coverage
added unit test for x.math.js and its coverage
reconstructed x.math.stats.js
fixed a performance issue for merge sort: deep copying only a short segment when we merge instead of the whole array
fixed issue 1: a performance issue for merge sort: deep copying only a short segment when we merge instead of the whole array
Merge branch 'master' of https://code.google.com/p/algo-js
merge branch 'master', for different locations
changed parameter of Sorting.isSorted
added random unique array generator and its unit test
fixed issue 4 which is the logical error of isSorted(arr). fixed a global var in merge sort
added unit test for correctness of three sorting algorithms