* Copy Substrate weights into each runtime

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Define weights per runtime

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Do the same for test-runtime

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix CI

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Generate multiplier tests via macro

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix CI

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix imports

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix test

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix imports

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Change rococo tests to use ExtrinsicBaseWeight

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix import...