Add first pass at ignore file information.
Added more ignore material
Update based on feedback from @wking.

- use Git when talking about the command
- fix typo
- unix directory slashes
- line lengths
Fixed broken image link in 04-cond.ipynb
Updated gitignore material based on feedback to PR 202
Merge pull request #203 from synapticarbors/color-cube-img

Fixed broken image link in 04-cond.ipynb
Fix typos in novice Python lessons
Add reproducible workflow lesson
python/reproducible_workflow.md: Remove trailing whitespace
lessons/misc-reproducibility: Use new bc directory structure
lessons/misc-biopython/reproducible_workflow.md: Remove history-less content
Merge branch 'jkitzes-reproducible' into jkitzes_credit
updated lessons index with @jkitzes credit
Merge remote-tracking branch 'ahmadia/jkitzes_credit'

* amhadia/jkitzes_credit:
  updated lessons index with @jkitzes credit
  lessons/misc-biopython/reproducible_workflow.md: Remove history-less content
  lessons/misc-reproducibility: Use new bc directory structure
  python/reproducible_workflow.md: Remove trailing whitespace
  Add reproducible workflow lesson
First draft of the first Intermediate Python lecture

Provides an introduction to Python for scientists with some former
programming background.
Use automatically generated data for Intermediate Python lectures

Instead of making data files up by hand, use a simple model with
error to generate the data.

Includes the code to generate the data (which will be expanded on
later) to allow easily modifying the data if desirable.
Converting to triple-tildes in Markdown source files
Fixing formatting glitch in one Markdown file
Switching to triple-tilde in Markdown code blocks in IPython Notebooks
Merge pull request #205 from ethanwhite/typo-fix

Fix typos in novice Python lessons