README was a bit out of date
pull the current country from the configuration, instead of allowing it to be hard-coded to the US.
only allow advancing through the steps if the current screen is valid.
update cache increment.
bigger numbers.
Added GA back in. Keeping track of user navigation between tabs, form success & errors.
Merge branch 'goal_flow_ga' of github.com:controlshift/prague-client into goal_flow_ga

Conflicts:
	src/coffee/donations-form-model.coffee