allows running of only unit or integration tests with -unit/-integration flags to test-app. Fix for GRAILS-2086 	
allows running of only unit or integration tests with -unit/-integration flags to test-app. Fix for GRAILS-2086 	

git-svn-id: 29aad96320b2a07b98332cd568fc1316025c072f@6493 1cfb16fd-6d17-0410-8ff1-b7e8e1e2867d

clockworkorange/grails-core,erdi/grails-core,clockworkorange/grails-core,clockworkorange/grails-core,clockworkorange/grails-core,erdi/grails-core,erdi/grails-core,clockworkorange/grails-core