fixed escaping problem on uploadRestriction config

when grails configiration was grails.views.default.codec = "html", the  uploadRestrictions: [${config.uploadRestrictions}] config is escaped and not showing up on the browser. patch is  "uploadRestrictions: [${raw(config.uploadRestrictions)}]"
Merge pull request #1 from Tulga/patch-1

fixed escaping problem on uploadRestriction config