generated docs shouldn't be in source control
plugin.xml shouldn't be in source control
cleanup
deleted unused files
You can target pre-2.0 versions of Grails, but you have to release with 2.0+ (feel free to use a different version than 2.4.4)
added .gitignore
since the richui plugin hasn't been updated in 4 years, it's probably best to just use the same name