and Gallery 3 have a class named Gallery. Clone a subset of the
Gallery 2 files and munge them so that we can rename the Galery 2
version to G2_Gallery.
Also, update the disclaimer in Admin > Settings > Gallery 2 Import.
Install: <module>_installer::install() is called, any necessary tables
are created.
Activate: <module>_installer::activate() is called. Module
controllers are routable, helpers are accessible, etc. The module is
in use.
Deactivate: <module>_installer::deactivate() is called. Module code
is not accessible or routable. Module is *not* in use, but its tables
are still around.
Uninstall: <module>_installer::uninstall() is called. Module is
completely removed from the database.
Admin > Modules will install and activate modules, but will only
deactivate (will NOT uninstall modules).
around in the task so that on subsequent import runs we don't try to
reimport stuff we've already pulled in. This also gives us a mapping
so that we will be able to translate old G2 urls into the hot new G3
urls.