Merge pull request #717 from nsendetzky/master

Updates translations and JS file
Merge pull request #719 from nsendetzky/master

Improves caching in combination with the locale selector
Merge pull request #723 from nsendetzky/master

Stores different baskets for each language and migrates baskets also between sites if possible
Merge pull request #724 from nsendetzky/master

Forces git to keep the empty src directories to phing check won't fail
Merge pull request #725 from nsendetzky/master

Reduces the number of cache requests by combining those for body and header
Merge pull request #726 from nsendetzky/master

Optimizes DB cache class and implements specialized cache adapter for MySQL
Merge pull request #727 from nsendetzky/master

Displays company/VAT ID fields in checkout address page only if "company" is selected
Merge pull request #728 from nsendetzky/master

Fixes initial state for delivery address if it's a company address