* Change JDBC drivers dependencies to integrationTestRuntimeOnly
* Added smoke test validating JDBC driver registration located in "./plugins" directory
* Some docsite tweaks
* For Postgres, if a schema name is provided then it's wrapped in double quotes before passing to Hibernate to preserve case-sensitivity, Liquibase does it out-of-box.
* Sql setup scripts for PostgreSQL and datasource configuration.
* Improved SQL scripts for SQL Server and Azure to drop user/permissions on class setup not on test setup
* Set Micorsoft JDBC driver as compile time dependency.
* Database testing description.
* New table node_mutual_exclusion added to SQL test setup scripts.
* Coin selection for SQL Server/Azure
* Transaction isolation level change for updateInfoDB in PersistentNetworkMapCache from "repeatableRead" to "readCommitted"
* Configuration option to prefix all Hibernate generated SQL with a schema name via a configuration property `database.schema`
* Fix negative value in SELECT TOP query (fix for Oracle db)
