Update information in README file
Merge pull request #25 from adrn/master

Move tutorials to iPython notebook files
Fix typos
remove empty command line
start input prompt numbers by 1
remove IOError message because of existing file
change cell type to markdown
Merge pull request #26 from migueldvb/fits

Minor corrections to FIST tutorial
Merge pull request #27 from migueldvb/plots

Fix formatting issue in Plot-Catalog tutorial
Merge pull request #22 from migueldvb/ipython

Update information in README file
update numbering
merge conflicts
added metadata files to each tutorial dir
build a directory list of published tutorials
change plot catalog title