Upgrade devDependencies and fix flow lint issue.

Fixes #217

Author: Ethan Cohen

package.json

@@ -39,10 +39,10 @@
     "coveralls": "^2.11.8",
     "eslint": "^3.12.2",
     "eslint-config-airbnb-base": "^11.0.0",
-    "eslint-plugin-flowtype": "^2.29.2",
+    "eslint-plugin-flowtype": "^2.32.1",
     "eslint-plugin-import": "^2.2.0",
     "expect": "^1.20.2",
-    "flow-bin": "^0.44.0",
+    "flow-bin": "^0.44.2",
     "jest": "^19.0.0",
     "jscodeshift": "^0.3.30",
     "minimist": "^1.2.0",

src/util/isInteractiveRole.js

@@ -1,3 +1,4 @@
+// @flow
 import {
   roles as rolesMap,
 } from 'aria-query';

yarn.lock

@@ -1546,9 +1546,9 @@ eslint-module-utils@^2.0.0:
     debug "2.2.0"
     pkg-dir "^1.0.0"
 
-eslint-plugin-flowtype@^2.29.2:
-  version "2.30.4"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-2.30.4.tgz#771d6bb4578ab8598e9c58018fea2e1a22946249"
+eslint-plugin-flowtype@^2.32.1:
+  version "2.32.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-2.32.1.tgz#bbee185dedf97e5f63ec975cdcddd199bd2a2501"
   dependencies:
     lodash "^4.15.0"
 
@@ -1783,9 +1783,9 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
-flow-bin@^0.44.0:
-  version "0.44.0"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.44.0.tgz#b291f147e5dae1cc8a116f834f24d9402ed96a52"
+flow-bin@^0.44.2:
+  version "0.44.2"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.44.2.tgz#3893c7db5de043ed82674f327a04b1309db208b5"
 
 flow-parser@^0.*:
   version "0.44.0"