SUSE/machinery — pull request #219 by aduffeck (2014-09-15 07:46:02+00:00)
Title: [Review] Request from 'aduffeck' @ 'SUSE/machinery/review_140915_migration_infrastructure'

Please review the following changes:
* b67c970 Add man page for "machinery upgrade-schema"
* 6e9842e Implement "machinery upgrade-schema" command
* d9b5dcd Require migrations to describe their purpose
* a21e267 Lazily load migrations from schema/migrations when needed
* bc05a25 Implement the Migration base class
* 7c44955 Extract the JSON loading into a separate method
* da99739 Create a SystemDescriptionFactory module for the RSpec tests