Added initial simple plugin tests
Updated assertions in NetKernelTemplatePluginSpec
Simple unit test for NetKernelPlugin
Added tests for NetKernelExtension class and embellished plugin tests
Simple cleanup of NetKernelExceptionSpec class
Updated version to 0.0.4
Pulled examples into the src/test tree for use by unit tests
Cleaned up test build.gradle
Added update module xml version task and updated tests accordingly
Updated updateModuleXmlVersionTask to handle -SNAPSHOT versions
Added helpful error message if no module.xml file was found
Minor fix to ordering of task dependencies
Removed destinationDir and archiveName from jar configuration so that standard gradle plugins can pick up artifacts