Add 'base16-bespin' colours

References #11.
Add 'base16-brewer' colours

References #11.
Add 'base16-bright' colours

References #11.
Add 'base16-chalk' colours

References #11.
Add 'base16-codeschool' colours

References #11.
Add 'base16-default' colours

References #11.
Add 'base16-eighties' colours

References #11.
Add 'base16-embers' colours

References #11.
Add 'base16-flat' colours

References #11.
Add 'base16-google' colours

References #11.
Add 'base16-grayscale' colours

References #11.
Add 'base16-greenscreen' colours

References #11.
Add 'base16-isotope' colours

References #11.
Add 'base16-londontube' colours

References #11.
Add 'base16-marrakesh' colours

References #11.
Add 'base16-mocha' colours

References #11.
Add 'base16-monokai' colours

References #11.
Add 'base16-ocean' colours

References #11.
Add 'base16-paraiso' colours

References #11.
Add 'base16-pop' colours

References #11.