adds task_description method and the correspondent localizations
adds "block device mapping"
User#find_by_name refactoring
fixes a nasty bug for which it wasn't possible to use this gem in a multi-user environment.
Explanation:
The ActiveReSource:Base::prefix method is created at runtime (for every subclass of AcrtiveResource::Base) in order to deal with nested resource. These dynamic methods relay on a "fixed" site URI.
Since OpenStack API uses the tenant id in the prefix for a given resource, first time the ActiveReSource:Base::prefix= method was called a prefix method was created with the tenant_id used.
fixes nested resource site for user_roles and volume_attachments
adds some (basic) unit tests.
fixes delete for key_pair (an id is needed by ActiveResource)
adds more unit tests (some admin unit tests, among others).
adds an error message if the configuration file is missing.
Version bump to 0.2.0
Regenerate gemspec for version 0.2.0
Merge pull request #8 from dguerri/master

Version 0.2.0 released