Merge branch 'patch-2' into 'master'

Update package.json to 2.6.8

See merge request !98

package.json

 {
   "name": "webapp",
-  "version": "2.6.7",
+  "version": "2.6.8",
   "license": "GNU Affero General Public License v3.0",
   "scripts": {
     "ng": "ng",