#4926: .nav inline-block fix for IE7
There's a way to force IE7 to apply inline-block display on elements that were not originally inline.
See http://foohack.com/2007/11/cross-browser-support-for-inline-block-styling/ for more details.
Hack suggested by Leho Kraav, many thanks!
Authored by: cboos 2012-06-26
Parent: [r11097]
Child: [r11099]
