Edits for language style
Merge pull request #180 from eli-b/chap3-style

autopep8 --ignore=E501 fixes. Marginal improvement.
Revert "Ending code cells with a semicolon."

This reverts commit 4876681e129683b32b1ad5484360b70e47b6121c.
edits to ch3
added font files for bold and italic Computer Modern
added bold oblique
Use CDN Urls
Merge pull request #1 from rgbkrk/patch-1

Use CDN Urls
Merge pull request #191 from paulgb/master

Include bold and oblique font files for sharper and more readable text
Fixed the stackoverflow link in README
Merge pull request #192 from svaksha/master

Fixed the stackoverflow link in README
minor typos
Merge pull request #193 from udibr/master

minor typos
Merged master fixed conflict.
Merge pull request #190 from mdiephuis/master

Edits for language style
Update README.md
Fixed a broken link
Merge pull request #197 from alessandro-gentilini/patch-1

Fixed a broken link
Update ClusteringWithGaussians.py
Merge pull request #198 from rcrehuet/patch-1

Update ClusteringWithGaussians.py