Add use of is_multisite() in wp-activate.php
Add note on number of usages
Add uses of is_multisite() in wp-login.php
Add uses of is_multisite() in wp-settings.php
Add uses of is_multisite() in wp-signup.php
Add uses of is_multisite() in wp-admin/about.php
Add uses of is_multisite() in wp-admin/admin-header.php
Add uses of is_multisite() in wp-admin/admin.php
Add uses of is_multisite() in wp-admin/index.php
Add uses of is_multisite() in wp-admin/menu.php
Add uses of is_multisite() in wp-admin/ms-delete-site.php
Add uses of is_multisite() in wp-admin/my-sites.php
Merge pull request #2 from jeremyfelt/lets/do/this/part/one

Initial parsing of is_multisite() usage