Add support for custom fetch size used in session configuration

[fbiville]

Currently, only bookmarks, access mode and database are configurable.

[michael-simons]

In version 6 this is implemented via standard JDBC means, see:

neo4j-jdbc/neo4j-jdbc/src/main/java/org/neo4j/jdbc/StatementImpl.java

Line 339 in 1c1562b

public void setFetchSize(int rows) throws SQLException {

and usage for example:

neo4j-jdbc/neo4j-jdbc-it/neo4j-jdbc-it-cp/src/test/java/org/neo4j/jdbc/it/cp/StatementIT.java

Line 85 in 1c1562b

statement.setFetchSize(5);