Minor schema fixes.
Minor schema fixes.

picoCTF/picoCTF,picoCTF/picoCTF,royragsdale/picoCTF,royragsdale/picoCTF,picoCTF/picoCTF,picoCTF/picoCTF,royragsdale/picoCTF,royragsdale/picoCTF,picoCTF/picoCTF,royragsdale/picoCTF,royragsdale/picoCTF,royragsdale/picoCTF,picoCTF/picoCTF