- Replace images which don't allow commercial use.
- Replace images with unknown origin.

Fixes issue 257.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2156 44740490-163a-0410-bde0-09ae8108e29a

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1531 44740490-163a-0410-bde0-09ae8108e29a

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1149 44740490-163a-0410-bde0-09ae8108e29a

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1148 44740490-163a-0410-bde0-09ae8108e29a

Adding support for CIDR based hinting. this means you can add a IP range to a remote saml 2 iudp, and that idp will show up as preferred to users within that ip range

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@349 44740490-163a-0410-bde0-09ae8108e29a

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@223 44740490-163a-0410-bde0-09ae8108e29a

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2 44740490-163a-0410-bde0-09ae8108e29a