validation on oauth details.
fixed the error title for oauth
renamed oauth attributes names.
Added Future version to 1.0
Less specific ruby version
Merge pull request #21 from zendesk/trav/add_future_version

Set Future version to 1.0
Merge pull request #20 from zendesk/likun/oauth_support

oauth support
Merge branch 'master' into stef/APPS_739_validate_versioning

Conflicts:
	lib/zendesk_apps_support/validations/manifest.rb