It turns out aptitude has been removed from Ubuntu 10.10
and while you can manually install it, apt-get is the
blessed package manager. Google for "aptitude removed
from Ubuntu" for more details. Thanks to Rafael Mendonça
França for pointing this out.
* adds instructions for PostgreSQL
* adds references to mysql2 here and there
* puts documentation contributions on par with code contributions
* adds a section about Rails Contributors
* documents C dependencies for Nokogiri and the database libs
* everything double-checked and revised step by step
* adds a section about warnings in the test suite
* removes section about the Rails wiki
* title and filename renamed
* overall rewording
