update hibernate plugin versions
update tomcat plugin versions
use scaffolding plugin 2.0.3
update jquery plugin
Merge branch '2.3.x'

Conflicts:
	apps/errors/grails-app/conf/BuildConfig.groovy
	apps/gorm-test-app/grails-app/conf/BuildConfig.groovy
	apps/gsp-reload-app/grails-app/conf/BuildConfig.groovy
	apps/html-default-codec/grails-app/conf/BuildConfig.groovy
	apps/hyphenatedurls/grails-app/conf/BuildConfig.groovy
	apps/kitchen_sink_app/grails-app/conf/BuildConfig.groovy
	apps/maven-plugins/grails-app/conf/BuildConfig.groovy
	apps/modify-beans/grails-app/conf/BuildConfig.groovy
	apps/spring/grails-app/conf/BuildConfig.groovy
	apps/tag-libraries/grails-app/conf/BuildConfig.groovy
	apps/test-plugins/grails-app/conf/BuildConfig.groovy
	apps/unit-test-app/grails-app/conf/BuildConfig.groovy
	cli-tests/spock-app/grails-app/conf/BuildConfig.groovy
	cli-tests/testing-app/grails-app/conf/BuildConfig.groovy