Nesting of STDPgap parameter in AllSTDPSynapses and AllDynamicSTDPSynapses template files needs to be updated

[king-shak]

See this. Once the issue in Graphitti has been resolved, the template files in Workbench need to be updated (look in WorkbenchProject/src/main/resources/templates/ParamsClassTemplateConfig/EdgesParamsClass for the template files mentioned in the title).