Allow access to second row of color picker on hover. Closes #642.
Allow access to second row of color picker on hover. Closes #642.

Zhao-Qi/tilemill,tilemill-project/tilemill,florianf/tileoven,Zhao-Qi/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,isaacs/tilemill,tizzybec/tilemill,mbrukman/tilemill,nyimbi/tilemill,fxtentacle/tilemill,mbrukman/tilemill,fxtentacle/tilemill,tilemill-project/tilemill,mbrukman/tilemill,tizzybec/tilemill,paulovieira/tilemill-clima,florianf/tileoven,mbrukman/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,paulovieira/tilemill-clima,fxtentacle/tilemill,isaacs/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,Zhao-Qi/tilemill,MappingKat/tilemill,fxtentacle/tilemill,isaacs/tilemill,nyimbi/tilemill,fxtentacle/tilemill,MappingKat/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,nyimbi/tilemill,tizzybec/tilemill,tizzybec/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,MappingKat/tilemill,florianf/tileoven,Zhao-Qi/tilemill,nyimbi/tilemill,tizzybec/tilemill,mbrukman/tilemill,tilemill-project/tilemill,MappingKat/tilemill,MappingKat/tilemill,paulovieira/tilemill-clima,paulovieira/tilemill-clima,nyimbi/tilemill,paulovieira/tilemill-clima,Zhao-Qi/tilemill