upgrade package.json

package.json

 {
   "name": "duniter-currency-monit",
-  "version": "0.4.9",
+  "version": "0.4.11",
   "main": "index.js",
   "license": "AGPLv3",
   "dependencies": {
-    "body-parser": "1.15.1",
-    "co": "^4.6.0",
-    "express": "4.13.4",
+    "body-parser": "1.17.1",
+    "co": "4.6.0",
+    "express": "4.15.2",
     "fs-extra": "^3.0.1",
     "http": "0.0.0",
-    "morgan": "1.7.0",
-    "node-pre-gyp": "^0.6.34",
+    "morgan": "1.8.1",
+    "node-pre-gyp": "0.6.34",
     "q": "1.5.0",
-    "request": "^2.81.0",
+    "request": "2.81.0",
     "request-promise": "4.2.0"
   },
   "devDependencies": {
-    "duniter": "1.5.4",
-    "duniter-prover": "1.4.x"
+    "duniter": "1.6.x"
   },
   "peerDependencies": {
-    "duniter": "1.5.4"
+    "duniter": "1.6.x"
   }
 }