use aspectj version 1.8.1
- spring-aop 4.0.6.RELEASE uses 1.8.1 version
GRAILS-11574 Add support for LocaleResolver in unit tests
Merge branch '2.3.x' into 2.4.x

Conflicts:
	grails-plugin-testing/src/main/groovy/grails/test/mixin/web/ControllerUnitTestMixin.groovy
GRAILS-11574 Add support for LocaleResolver in unit tests (Grails 2.4.x)