Update dependencies

package.json

@@ -10,7 +10,8 @@
     "test": "NODE_ENV=test ava --verbose"
   },
   "dependencies": {
-    "ajv": "^6.10.0",
+    "ajv-keywords": "^3.4.1",
+    "ajv": "^6.10.1",
     "async": "^2.6.2",
     "axios": "^0.19.0",
     "bcrypt-nodejs": "0.0.3",
@@ -22,13 +23,13 @@
     "cookie-parser": "^1.4.4",
     "express": "^4.17.1",
     "express-handlebars": "^3.1.0",
-    "express-session": "^1.16.1",
+    "express-session": "^1.16.2",
     "glob": "^7.1.4",
     "glob-fs": "^0.1.7",
     "helmet": "^3.18.0",
     "html-entities": "^1.2.0",
     "jsonschema": "^1.2.4",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.14",
     "lunr": "^2.3.6",
     "mime-db": "^1.40.0",
     "mime-type": "^3.0.7",
@@ -49,14 +50,14 @@
     "uglifycss": "0.0.27"
   },
   "devDependencies": {
-    "ava": "^2.0.0",
-    "eslint": "^3.19.0",
-    "eslint-config-airbnb-base": "^12.1.0",
-    "eslint-config-standard": "^10.2.1",
-    "eslint-plugin-import": "^2.17.3",
-    "eslint-plugin-node": "^5.2.1",
-    "eslint-plugin-promise": "^3.8.0",
-    "eslint-plugin-standard": "^3.1.0",
+    "ava": "^2.2.0",
+    "eslint": "^6.0.1",
+    "eslint-config-airbnb-base": "^13.2.0",
+    "eslint-config-standard": "^13.0.0",
+    "eslint-plugin-import": "^2.18.0",
+    "eslint-plugin-node": "^9.1.0",
+    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-standard": "^4.0.0",
     "gulp": "^4.0.2",
     "gulp-clean-css": "^3.10.0",
     "gulp-minify": "^3.1.0",