First Log version we believe was ready for use. To support CT.

Quota metrics published. Quota admin api + server implemented. Improvements to local / AWS deployment. Map fixes and further development. ECDSA key handling improvements. Key factory improvements. Code coverage added. Quota integration test added. Etcd quota support in log and map connected up. Incompatibility with C++ code fixed where consistency proof requests for first == second == 0 were rejected.