Add "passthrough" and "filter" effect to Controller wizard
Add "LoadSelectedTrackAndPlay" control for PreviewDeck to Controller Wizard, fixes https://bugs.launchpad.net/mixxx/+bug/1174868
Fix typo introduced in last commit. Thanks Daniel.
Merge pull request #80 from esbrandt/controller_wizard_additions

Add "passthrough", "filter" , and  "LoadSelectedTrackAndPlay" for PreviewDeck to Controller wizard