Typo in in_taxons method

Fixes #85
Add spreeconf popup
Add new ad on overview page for spreeconf
[preferences guide] added 1 sentence about where Spree::Config comes
from.
Merge pull request #88 from westonplatter/master

Added 1 sentence describing where Spree::Core comes from
Link to Deface's new home.
Merge pull request #91 from splattael/correct-deface-link

Link to Deface's new home.
Add spree conf thin banner.
Remove spree conf thin banner from layout
Update deploying_on_ubuntu.textile

Update set :deploy_to to reference application not application_name
Update config/unicorn.rb to be consistent

This commit updates the naming of the pid in config/unicorn.rb to be
consistent with the pid naming that comes later in the config/deploy.rb
file.
Merge pull request #93 from MettaAudio/patch-1

Update deploying_on_ubuntu.textile
Start over with new guide format
Move refactoring of guides into current guides project
Removed versioning from api documentation (for now)
New index and summary for API
Consolidate summary info into a single guide
Ensuring tutorials are using latest content from old api repo
Fixed getting started button
Improved top menu navigation