update RN to 61

.flowconfig

 suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 
 [version]
-^0.98.0
+^0.104.0

package-lock.json

       }
     },
     "flow-bin": {
-      "version": "0.98.0",
-      "resolved": "https://registry.npmjs.org/flow-bin/-/flow-bin-0.98.0.tgz",
-      "integrity": "sha512-vuiYjBVt82eYF+dEk9Zqa8hTSDvbhl/czxzFRLZm9/XHbJnYNMTwFoNFYAQT9IQ6ACNBIbwSTIfxroieuKja7g==",
+      "version": "0.104.0",
+      "resolved": "https://registry.npmjs.org/flow-bin/-/flow-bin-0.104.0.tgz",
+      "integrity": "sha512-EZXRRmf7m7ET5Lcnwm/I/T8G3d427Bq34vmO3qIlRcPIYloGuVoqRCwjaeezLRDntHkdciagAKbhJ+NTbDjnkw==",
       "dev": true
     },
     "flush-write-stream": {
     },
     "karma-webpack": {
       "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/karma-webpack/-/karma-webpack-3.0.0.tgz",
+      "resolved": "http://registry.npmjs.org/karma-webpack/-/karma-webpack-3.0.0.tgz",
       "integrity": "sha512-Ja1o9LLoqWaJyUNhTKaXjWiEH9y7a9H3mzP8pYB30SBsgoF5KBS/65NeHFd+QPuT9ITrym8xFt8BZeGbcOfujA==",
       "dev": true,
       "requires": {

package.json

     "eslint-config-jitsi": "github:jitsi/eslint-config-jitsi#1.0.0",
     "eslint-plugin-flowtype": "2.39.1",
     "eslint-plugin-import": "2.8.0",
-    "flow-bin": "0.98.0",
+    "flow-bin": "0.104.0",
     "jasmine-core": "2.5.2",
     "karma": "3.0.0",
     "karma-chrome-launcher": "2.2.0",