Fixed npm tag

Author: palemieux

package.json

@@ -3,7 +3,7 @@
     "description": "Renders IMSC documents to HTML5 fragments",
     "version": "1.1.1",
     "publishConfig": {
-        "tag": "dev"
+        "tag": "latest"
     },
     "license": "BSD-2-Clause",
     "homepage": "https://github.com/sandflow/imscJS",