Update NYCastro_ML1.6.1-5.ipynb

expanded text, added figure
Update NYCastro_ML1.6.1-5.ipynb

previous commit cannot be displayed by ipython notebook viewer
intro to ipython
Create take2section1.6.1-5

please try this one since the other file is corrupted beyond repair
Merge branch 'master' of https://github.com/fedhere/NYCastroML

Conflicts:
	Section 1.6/NYCastro_ML1.6.1-5.ipynb
Merge pull request #5 from fedhere/patch-2

Create take2section1.6.1-5
??
Merge branch 'master' of https://github.com/adrn/NYCastroML
Merge pull request #6 from weaverba137/master

Fix bad JSON
added chapter 2
Merge branch 'master' of github.com:adrn/NYCastroML
remove old nb
updated to new version from fed