[DRE-maint] ruby-gollum-lib is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-gollum-lib 4.1.0-3 is marked for autoremoval from testing on 2016-03-01

It (build-)depends on packages with these RC bugs:
808450: ruby-sanitize: FTBFS: Config::DEFAULT#test_0009_should clean malicious HTML [/build/ruby-sanitize-2.1.0/test/test_sanitize.rb:213]: