spree/spree — pull request #1851 by kunalchaudhari (2012-08-11 21:33:59+00:00)
Title: refactor header partial to include _main_nav_bar and _nav_bar markup at ...

...same place so that easily overriden with deface. It is common requirement where people might want to add links from/to nav_bar to/from main_nav_bar. So if they all at same place which header than easily overridden using deface.