Make INDArray getSlices return a generic List
make getSlices return a list of Doubles for 1-dimensional case
Add addAt, minusAt, divideAt, multiplyAt methods to Matrix.java
Merge pull request #17 from haosdent/develop

Add addAt, minusAt, divideAt, multiplyAt methods to Matrix.java
rename minusAt to subAt
add AMatrix versions of xxxAt functions
Docs for xxxAt functions
generic addAt in INDArray
add AVector subAt
generic reorder function
implement vector reordering
reorder on arbitrary dimension
Matrix reordering and tests
reordered matrix tests
ZeroVector reorder
better ZeroVector reordering
rpeatedElementVector reordering
document PermutationMatrix
more reordering tests and fixes
Refactor for INDArray innerProduct with AVector