Merge pull request #644 from magiclabs/feature/add_content_settings_value

Adds new helper `content_settings_value`
Deprecate take_me_for_preview and rename it to as_element_title

The content definition has an option to mark it as element preview title. The option was named take_me_for_preview. This now is named as_element_title.
Merge pull request #645 from magiclabs/feature/element_title

Deprecate take_me_for_preview and rename it to as_element_title
Adds a new rake task to import database dumps

These database dumps can be STDIN streams or from file.
Adds new capistrano task to export local data to remote

Like `cap alchemy:import[all,pictures,atachments,database]` you can now `cap alchemy:export[all,pictures,atachments,database]` to send local data to remote servers.
Escape the export db dump to be shell safe.
Merge pull request #649 from magiclabs/feature/export-database-to-remote

Feature/export database to remote
Merge branch 'master' into json-api-changes