Change RUN_DEPENDS from rubygem-fog-brightbox0 to rubygem-fog-brightbox

• Bump PORTREVISION for dependency and package change

rubygem-fog 2.1.0+ is compatible with rubygem-fog-brightbox 1.0.0+.

Reference: https://github.com/fog/fog/commit/adc3d36e1c47976a1ec2630bd4577e082593c884