install_network()
Install Network.
Install Network.
Populate network settings.
Creates WordPress network meta and sets the default values.
Create WordPress options and set the default values.
Execute WordPress role creation for the various WordPress versions.
Create the roles for WordPress 2.0
Create and modify WordPress roles for WordPress 2.1.
Create and modify WordPress roles for WordPress 2.3.
Create and modify WordPress roles for WordPress 2.5.
Create and modify WordPress roles for WordPress 2.6.