Add port to PostgresConfiguration and PostgresDotConnectConfiguration static Create methods
Add const defaults for postgres configuration options.
Simplify PostgresConfiguration and PostgresDotConnectConfiguration static Create methods with default parameters.
Add UnpreparedExecute parameter to PostgresDotConnectConfiguration.Create method.
Added CommandTimeout and ConnectionTimeout defaults to PostgresConfiguration and PostgresDotConnectConfiguration Create methods.
Merge pull request #7 from samcook/postgres-config-create-port

Add port to PostgresConfiguration and PostgresDotConnectConfiguration static Create methods