Move Modern and CologneBlue out of core

Import in the new repositories:

- Modern: I5348fedddf14affcee2688833f4e759e5af6499c
- CologneBlue: I9cc051f48074a033c684e5efa56a7b4dde51d366

Change-Id: I65768b4c29faf46895a7005a3090f43cf6e86258
Merge "Move Modern and CologneBlue out of core"