Force output of "crm configure show" to not use colors

We don't care about colors, we just want to parse plain text.

This allows us to avoid being hit by this crmsh bug:
https://bugzilla.novell.com/show_bug.cgi?id=893011
Adapt rubygem-ruby-shadow to the new name schema

Use the new schema for rubygem in SLE12 and openSUSE 13.2.
Merge pull request #151 from aplanas/master

Adapt rubygem-ruby-shadow to the new name schema
Merge pull request #140 from vuntz/plain-output

Force output of "crm configure show" to not use colors
Fix mocked platform version to make travis pass again
Merge pull request #154 from rhafer/travis

Fix mocked platform version to make travis pass again
Fix migration for transport key in schema (bnc#909056)

The crowbar-revision key was bumped, while we really wanted
schema-revision.

https://bugzilla.suse.com/show_bug.cgi?id=909056
Merge pull request #153 from vuntz/bnc909056

Fix migration for transport key in schema (bnc#909056)
Fixed permissions for various files
Fixed raw/custom proposal links
Cleaned crowbar config and added travis image to readme

The goal is to remove the package requirements from the crowbar
configuration as the dev tool and all the dependencies for building isos
on the dell way is not maintained anymore and move the packaging to obs
instead.
Added syntax check and added more ruby versions to travis config
Added ubuntu dependencies as a comment to pacemaker cookbook