Upgrade to flow 0.26 & match internal config with strict args

Also ignore examples, important because react can be installed by the commonjs
one and the modules will get detected there too, resulting in duplicate
definitions

.flowconfig

@@ -1,5 +1,6 @@
 [ignore]
 
+.*/examples/.*
 .*/build/.*
 .*/node_modules/y18n/.*
 .*/__mocks__/.*
@@ -20,6 +21,8 @@ module.system=haste
 esproposal.class_static_fields=enable
 esproposal.class_instance_fields=enable
 
+experimental.strict_type_args=true
+
 munge_underscores=false
 
 suppress_type=$FlowIssue
@@ -31,4 +34,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(>=0\\.\\(2[0-4]\\|1[0-9]\\|[0-9
 suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
 
 [version]
-^0.24.0
+^0.26.0

package.json

@@ -43,7 +43,7 @@
     "eslint-plugin-react-internal": "file:eslint-rules",
     "fbjs": "^0.8.1",
     "fbjs-scripts": "^0.6.0",
-    "flow-bin": "^0.24.0",
+    "flow-bin": "^0.26.0",
     "glob": "^6.0.1",
     "grunt": "^0.4.5",
     "grunt-cli": "^0.1.13",