Replace designtwo child themes with Theme Customizer setting for color scheme. Breaks borders and backgrounds for purple and teal variants; will fix these in next commit.
Fixed backgrounds and borders broken in last commit; various tweaks to styles for individual color variants.
Use contrast color for 'More' link in purple color variant of designtwo.
Merge pull request #9 from shelleyvadams/customizer-designtwo

Merge `customizer-designtwo` into `master`.