Update de.yml

fixed some really bad and misleading german translations
Update de.yml

corrected bad german translation
Depending upon spree 2.1.0.beta
Fix Review Phase - Payment needs to be created in time to determine appropriate next state
Added missing locales to fix 'Place Order' button
Merge pull request #154 from alexmarles/master

Place Order translation missing breaks Place Order button HTML
Merge pull request #145 from davidlibrera/1-3-stable

1 3 stable
Merge pull request #143 from Goltergaul/master

Bad german translations
Loosen spree core dependency