Remov GUI example
Write notebook to load FITS spectrum.

At this point works with one spectrum. It is a cutted spectrum.

I still have to check with other spectra.
Start notebook on how to load FITS spectrum directly into a ndarray.

The notebook from last commit is empty. I forgot to save and then
commited and empty notebook.

It seems that the version of the notebook that I was using it still
do not have the auto-save function.
Obtain full ndarray of HD 74575.

I have succed in loading teh FITS nimage to a ndarray.

Next stpe is to use IRAF wspectext to obtain the spectrum and
compare with my approach.
Add FITS spectrum to be used on notebook
Finish loading spectrum on a full pythonic way.

I have loaded two spectra in a full pythonic way.
One is the original e the other is a cutted and normalized one.

I guess that the functions are ready to be pushed to S4.
Add spectrum in ascii format to test.
Write functions that converts FITS spectrum to a ndarray.

I have created a Intpu/Outpu module. I guess that the JSON class
on utils module should alos be transfered to here. I should write
and issue for this.
Add init files and configured setip.py to suppor the io module.
My io.fits module have the same name of astropy.io.fits module. Changed.

This was confusing the synplto wrapper. It was not founding my
functions but of the astropy.
Make class Synplot load observation FITS spectrum.
Change name of module loaded
Merge pull request #7 from gabraganca/dev

Issue #5: Load FITS spectrum as numpy.ndarray.