Add a language picker
Remove debug output and format code
Refactor to new store
Keep site id after changing language
Keep locale id if site changes
Merge pull request #542 from nsendetzky/master

Fixes catalog search filter hint and improves browser back button handling
Merge pull request #543 from nsendetzky/master

Unifies price handling and displays price details equally in all lists
Merge pull request #544 from nsendetzky/master

Improves layout of delivery/payment list and tax rate, fixes costs per item in lists
Only show language picker, if languages are available
Add getter for locale
Add a space between comboboxes
Merge pull request #545 from nsendetzky/master

Uses media and content view helpers to simplify and streamline templates
Merge pull request #546 from nsendetzky/master

Removes duplicate language and currency definitions
Merge pull request #547 from nsendetzky/master

Implements creating demo data on request
Merge pull request #548 from nsendetzky/master

Doesn't overwrite phing properties and improves catalog list layout
Merge pull request #534 from cookiekiller/language_picker

Adds a selector for the used language in the admin interface