build.xml: add title to javadoc
Helper: add design(CodeMappingCfg, ParamCfg...)

Can now create a design from one or more parameters and also a code
mapping configuration.
CustomAccessorTester: add static counters
CustomAccessorTester: add method name fields

The names of the custom accessor methods can be retrieved from the
public fields when creating code mappings.
CustomAccessorTester: add instance counter

Now has a static field for keeping track of the number of instances.
AccessorTester: extends CustomAccessorTester
CustomAccessorTester: rename to InitTester
Added Empty

Added an extremely simple new custom type for testing.
Added AccessorNamingTest