react - Replaced any with {} for context

See https://github.com/Microsoft/TypeScript/issues/4126

react/react-addons-tests.ts

@@ -84,6 +84,8 @@ class ModernComponent extends React.Component<Props, State>
         someOtherValue: React.PropTypes.string
     }
     
+    context: Context;
+    
     getChildContext() {
         return {
             someOtherValue: 'foo'

react/react-addons.d.ts

@@ -137,7 +137,7 @@ declare module "react/addons" {
         forceUpdate(): void;
         props: P;
         state: S;
-        context: any;
+        context: {};
         refs: {
             [key: string]: Component<any, any>
         };

react/react-global.d.ts

@@ -138,7 +138,7 @@ declare module React {
         forceUpdate(): void;
         props: P;
         state: S;
-        context: any;
+        context: {};
         refs: {
             [key: string]: Component<any, any>
         };

react/react-tests.ts

@@ -82,6 +82,8 @@ class ModernComponent extends React.Component<Props, State>
         someOtherValue: React.PropTypes.string
     }
     
+    context: Context;
+    
     getChildContext() {
         return {
             someOtherValue: 'foo'

react/react.d.ts

@@ -138,7 +138,7 @@ declare module __React {
         forceUpdate(): void;
         props: P;
         state: S;
-        context: any;
+        context: {};
         refs: {
             [key: string]: Component<any, any>
         };