Make popup menu collapse after clicks elsewhere on document. Fixes #507.
Make popup menu collapse after clicks elsewhere on document. Fixes #507.

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