Bump to rails 3.2.16; update gems

Remove debugger gem completely for now til RubyMine gets its act together
Add secret_key reading for updated Devise
location -> place in seed data
stub -> double
fix meridian formatting

newer i18n gem formats %p as AM/PM; switch to %P to keep am/pm.
For now, explicitly configure i18n to avoid deprecation warning
Update spec syntax
Don't need border-radius mixin anymore
Disable turbolinks sometimes

on pick#index sorting links, and on the 1-2-3 tabs
Improve picks#index display

Restyle titles
Show country & flag, running time
Add country labels when sorting by country