Fix broken Deere1280x800-WXGA skin, fixes lp:1187090

Some image files where lost, probably when merging with bpmdelegate
branch , see https://bugs.launchpad.net/mixxx/+bug/1187090
Fix spacing in some skin.xml
Merge pull request #13 from esbrandt/lp1187090

Fix broken Deere1280x800-WXGA skin, fixes lp:1187090