Updated to 7.1.7 and tested on the latest Grails 2.3.2.
Gitignore updated.
Trying to fix formating
Duplicated readme removed
Merge remote-tracking branch 'upstream/master'

Conflicts:
	grails-vaadin7-plugin/application.properties
	grails-vaadin7-plugin/grails-app/conf/BuildConfig.groovy
updated to grails 2.3.3
updated to grails 7.1.8