is to run the demo.m file, and it will perform the selective search on single image

is to run the testAllPicturesInDirectory.m file and it will perform the selective search on all the images in a directory, the result will also be written in the same directory

• the original algorithm is found in http://homepages.inf.ed.ac.uk/juijling/#page=projects1
• but the original implementation in matlab is partially encrypted, so I implementation my own

I found out that there is some bug in the implementaton of the aniguass.c, so for now, I just ignore the texture part, so I create a new branch called withoutTexture, this branch does not produce bug when testing with large amount of data. To fix the bug is a TODO in the future.