Added soft-delete option for generate model in packages/oil/generate.html

Signed-off-by: chatii <contact@chatii.net>
Fix description of 'caching' and 'cache_lifetime'
added the new validation event types. added a warning about possible duplicate calls
Documented Arr::unique()
Merge pull request #533 from chatii/oil-softdel

Added soft-delete option for generate model in packages/oil/generate.html
Merge pull request #532 from indigofeather/1.6/develop

Fixed method name in SimpleAuth Group
Merge pull request #531 from kenjis/fix_config

Fix description of 'caching' and 'cache_lifetime'
Added missing config to the REST controller docs
fixed error in Theme::get_template()