remove reference to ConfigurationHolder

ConfigurationHolder has been removed (https://github.com/grails/grails-core/commit/3fba248556b5462c92cc4cd16e8c35b978400a5c).
use jquery plugin 1.11.0.2
remove resources plugin

The resources plugin needs to be updated to deal with the fact that ConfigurationHolder has been removed from Grails 2.4.  None of the functional tests here really rely on functionality provided by the resources plugin.
comment out code related to build-test-data

The plugin needs to be updated to deal with the fact that ApplicationHolder has been removed from Grails 2.4.