Add a host_name column to the I_S.server_instance_summary table
Add getName() to store, then import Store to ServerSchema, to add
Store#getName() to Server_instance_summary table.
merge tjoneslo: Add a host_name column to the I_S.server_instance_summary table

Merge pull request #921 from tjoneslo/akiban-server/server-instance-add-hostname
https://github.com/FoundationDB/sql-layer/pull/921