created automating development process section
prerequisities (TODO)
added prerequisites and how it works under the hood pyramid_starter_seed
Installation instructions improved and other fixes
79 cols (except long urls)
79chars col fix
79chars col fix
79chars col fix
fixed sphinx warning
fix 79 cols
renamed title
Merge pull request #121 from davidemoro/master

Thank you! I'll work on editorial matters, time permitting.