Update dependencies; release v0.5.6

package.json

@@ -1,6 +1,6 @@
 {
   "name": "service-template-node",
-  "version": "0.5.5",
+  "version": "0.5.6",
   "description": "A blueprint for MediaWiki REST API services",
   "main": "./app.js",
   "scripts": {
@@ -31,29 +31,29 @@
   "homepage": "https://github.com/wikimedia/service-template-node",
   "dependencies": {
     "bluebird": "^3.5.1",
-    "body-parser": "^1.18.2",
+    "body-parser": "^1.18.3",
     "bunyan": "^1.8.12",
     "cassandra-uuid": "^0.0.2",
-    "compression": "^1.7.1",
-    "domino": "^1.0.30",
-    "express": "^4.16.2",
-    "js-yaml": "^3.10.0",
-    "preq": "^0.5.3",
-    "service-runner": "^2.4.2",
+    "compression": "^1.7.2",
+    "domino": "^2.0.2",
+    "express": "^4.16.3",
+    "http-shutdown": "^1.2.0",
+    "js-yaml": "^3.12.0",
+    "preq": "^0.5.6",
+    "service-runner": "^2.6.3",
     "swagger-router": "^0.7.1",
-    "swagger-ui": "git+https://github.com/wikimedia/swagger-ui#master",
-    "http-shutdown": "^1.2.0"
+    "swagger-ui": "git+https://github.com/wikimedia/swagger-ui#master"
   },
   "devDependencies": {
-    "ajv": "^5.5.0",
-    "eslint": "^4.12.0",
+    "ajv": "^6.5.1",
+    "eslint": "^4.19.1",
     "eslint-config-node-services": "^2.2.5",
     "eslint-config-wikimedia": "^0.5.0",
-    "eslint-plugin-jsdoc": "^3.0.0",
+    "eslint-plugin-jsdoc": "^3.7.1",
     "eslint-plugin-json": "^1.2.0",
     "extend": "^3.0.1",
     "istanbul": "^0.4.5",
-    "mocha": "^4.0.1",
+    "mocha": "^5.2.0",
     "mocha-eslint": "^4.1.0",
     "mocha-lcov-reporter": "^1.3.0",
     "nsp": "^3.2.1"