Update Dockerfile reference/tutorial links
Add /venv to .gitignore
Extract stream_output to module
Pass script/test arguments through to nosetests
Encode all progress stream output as UTF-8

Closes #231.
Firm up tests for split_buffer
Pass byte strings straight through LogPrinter
Do not encode chunk, just write as is.
Merge pull request #255 from orchardup/fix-unicode

Fix encoding errors
Ship 0.4.2
Merge pull request #256 from orchardup/ship-0.4.2

Ship 0.4.2
Use ubuntu:13.10 image to build docs

stackbrew/ubuntu and ubuntu are the same thing now.

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #257 from orchardup/use-ubuntu-image-to-build-docs

Use ubuntu:13.10 image to build docs
add net param support

Signed-off-by: Peter Flood <info@whywouldwe.com>
Merge pull request #258 from j0hnsmith/support_net_param

add net param support