Fixed link to configuration page in requirements hook
Added php file to gatewayf address
Revert "Added php file to gatewayf address"

This reverts commit b3b2043a85b8b454a053eb4649c1c7bef3e00382.
Ensured that the IPD is correct for gateway login
Merge branch 'development' of github.com:ding2tal/ding_wayf into development
Merge branch 'development' into release