Updated color flag for rspec to new format
Updated color flag for rspec to new format

rspec3.0.0.rc1 has deprecated the color_enabled= config option in favor
of color=

bioritmo/swagger-docs,billy3321/swagger-docs,Flux-App/swagger-docs,RKushnir/swagger-docs,tbtalbottjr/swagger-docs,richhollis/swagger-docs,alfss/swagger-docs