Update dependencies

Author: wojtekmaj

package.json

@@ -45,11 +45,11 @@
     "get-user-locale": "1.1.0",
     "merge-class-names": "^1.1.1",
     "prop-types": "^15.6.0",
-    "react-calendar": "^2.16.1",
-    "react-clock": "^2.2.1",
-    "react-date-picker": "^6.11.2",
+    "react-calendar": "^2.17.0",
+    "react-clock": "^2.3.0",
+    "react-date-picker": "^6.12.0",
     "react-lifecycles-compat": "^3.0.4",
-    "react-time-picker": "2.5.1"
+    "react-time-picker": "^2.6.0"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",
@@ -70,7 +70,7 @@
     "eslint-plugin-react": "^7.11.1",
     "jest": "^23.5.0",
     "jest-cli": "^23.5.0",
-    "less": "^2.7.3",
+    "less": "~3.7.1",
     "react": "^16.4.0",
     "react-dom": "^16.4.0",
     "react-test-renderer": "^16.4.1"