[DRE-maint] ruby-capistrano-colors is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-capistrano-colors 0.5.5-1 is marked for autoremoval from testing on 2015-09-23

It (build-)depends on packages with these RC bugs:
795118: ruby-sshkit: FTBFS: SSHKit::TestConfiguration#test_backend flaky
795724: capistrano: FTBFS: Failure/Error: expect(Configuration.env.fetch(:test)).to be_true