Added the ability to override ->agent->is_mobile using the querystring parameter ?mobile_override using an immediately expiring cookie so the site will go back to rending in mobile after the browser has been closed and re-opened
Made the cookie hostname work for any domain
Remove copied code in MY_User_Agent, rather just pass the control back to the original function
Merge pull request #3274 from bloveless/2.3/develop

Added the ability to override $this->agent->is_mobile()
Installs pages correctly
Merge branch '2.3/develop' of github.com:pyrocms/pyrocms into 2.3/develop
Finish installer fixes for page refactor.
Use new getPlaceholder
Get placeholder
Merge branch 'refs/heads/2.3/develop' into 3.0/develop

Conflicts:
	system/cms/modules/keywords/views/fields/slug.php
	system/cms/modules/pages/details.php
	system/cms/modules/pages/views/admin/index.php