C++11 multi-threads
fix use delete atomic function
Add sortings

TODO: Introsort, Timsort, Bitonic sorter; Linear Time Sorting; Medians
and Order Statistics.
Add Binary Search, Medians and Order Statistics
Add balanced trees
Add BST class

lambda function in C++11 is very useful while combine Functor and
Recursion.
Add AVL tree

How to multiuse node type's key,p,l,r???
TODO: tese module.
Using Typed Test of Google test
Using Typed Test_P of Google test
typedef fixed
Add Red-Black Tree
Compatible with gcc4.7.2
Merge remote-tracking branch 'origin/nightly'