Update all dependencies to the latest version

package.json

 {
   "name": "kszkepzes-frontend",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "proxy": "http://127.0.0.1:8000/",
   "private": true,
   "dependencies": {
-    "axios": "^0.17.1",
+    "axios": "^0.18.0",
     "moment": "^2.23.0",
     "prop-types": "^15.6.0",
-    "react": "^16.2.0",
-    "react-dom": "^16.2.0",
-    "react-redux": "^5.0.6",
-    "react-router-dom": "^4.2.2",
-    "react-scripts": "1.1.0",
-    "react-slick": "^0.17.1",
-    "redux": "^3.7.2",
+    "react": "^16.7.0",
+    "react-dom": "^16.7.0",
+    "react-redux": "^6.0.0",
+    "react-router-dom": "^4.3.1",
+    "react-scripts": "2.1.2",
+    "react-slick": "^0.23.2",
+    "redux": "^4.0.1",
     "redux-logger": "^3.0.6",
-    "redux-thunk": "^2.2.0",
-    "semantic-ui-css": "^2.2.12",
-    "semantic-ui-react": "^0.77.2",
+    "redux-thunk": "^2.3.0",
+    "semantic-ui-css": "^2.4.0",
+    "semantic-ui-react": "^0.84.0",
     "slick-carousel": "^1.8.1"
   },
   "scripts": {
@@ -27,10 +27,16 @@
     "eject": "react-scripts eject"
   },
   "devDependencies": {
-    "eslint": "^4.16.0",
+    "eslint": "5.6.0",
     "eslint-config-airbnb": "^16.1.0",
     "eslint-plugin-import": "^2.8.0",
     "eslint-plugin-jsx-a11y": "^6.0.3",
     "eslint-plugin-react": "^7.5.1"
-  }
+  },
+  "browserslist": [
+    ">0.2%",
+    "not dead",
+    "not ie <= 11",
+    "not op_mini all"
+  ]
 }