Add notes that --no-site-packages is default behavior for virtualenv
from version 1.7 onward. Close #193.
Update docs/_themes/kr/layout.html

Line 27: var ga2 = document.createElement('script');ga.type = 'text/javascript'; 

i think it is wrongly typed ga.type, so i changed into ga2.type

change
======
ga2.type = 'text/javascript'; 
Removed tuple example from style guide.
First gotcha.
Late binding closures
Fixed some type-os
Merge pull request #226 from MarkyV/master

Fixed some type-os
Added werkzeug entry under web frameworks section
Merge pull request #227 from petrushev/add-werkzeug

Added werkzeug entry under web frameworks section
Added networking section to scenarios.

Section includes:
- twisted
- pyzmq (for zeromq)
- gevent (a mention)
Merge pull request #229 from petrushev/add-networking

Added networking section to scenarios.
Image Manipulation: add PIL install instructions for Linux

Arch Linux and latest Ubuntu included.
Merge pull request #230 from imrehg/pil

Image Manipulation: add PIL install instructions for Linux
Merge pull request #224 from Julian/gotchas

Started writing about common gotchas with two quick examples
Merge pull request #223 from Julian/master

Removed a Confusing Example from the Style Article
Merge pull request #218 from suhailvs/patch-1

Update docs/_themes/kr/layout.html
Merge pull request #216 from artiegold/master

Close #193. Notes on virtualenv.
Add doctest ext
Travis CI
Add doctests and switch to using headings.