Some quick fixes before Next Fest!

A couple fixes and additions:

• Added sound effects for the Blender Gun

• Added a Food Ingredients filter for the Player and Spaceship Inventory

• Added a hotkey (Ctrl-F) for highlighting the search text box in UI screens

• BUGFIX: the tooltip in the World Map material search is now properly localized

• BUGFIX: Blender pixels no longer move programmable pixels (filters, sensors...) when active

• BUGFIX: Fixed some graphical and font-rendering issues with the demo achievements tab

• BUGFIX: Fixed some UI elements that needed proper localization settings

More updates coming this week during Next Fest! :)