Resolves #105

It is awkward to use argparse in script/resize_and_crop_images.py and parse the args to mincepie which depends on gflags.

Add shebang at the beginning of python files to run them directly rather than by "python caffe/*.py".

Patch python/caffe/pycaffe.cpp per @longjon's [comment](https://github.com/BVLC/caffe/issues/44#issuecomment-32832810) in #44.

pip cannot find h5py 2.2.0.