task oxt(type: Zip) {
   from './'
   include '*'
   include '*/*'
   include '*/*/*'
   include '*/*/*/*'
   exclude 'cleanAndValidate.oxt'
   exclude '.*'
   exclude 'build.gradle'
   exclude 'translations.ods'
   exclude 'cleanandvalidate.update.xml'
   exclude 'cleanAndValidate.ox2'
   archiveName 'cleanAndValidate.oxt'
}