Rename opening and closing properties on fragments

Closes #85.

Author: adrianheine

inject.js

@@ -348,14 +348,15 @@ module.exports = function(acorn) {
           'Expected corresponding JSX closing tag for <' + getQualifiedJSXName(openingElement.name) + '>');
       }
     }
+    var fragmentOrElement = openingElement.name ? 'Element' : 'Fragment';
 
-    node.openingElement = openingElement;
-    node.closingElement = closingElement;
+    node['opening' + fragmentOrElement] = openingElement;
+    node['closing' + fragmentOrElement] = closingElement;
     node.children = children;
     if (this.type === tt.relational && this.value === "<") {
       this.raise(this.start, "Adjacent JSX elements must be wrapped in an enclosing tag");
     }
-    return this.finishNode(node, openingElement.name ? 'JSXElement' : 'JSXFragment');
+    return this.finishNode(node, 'JSX' + fragmentOrElement);
   };
 
   // Parse JSX text

test/tests-jsx.js

@@ -3215,7 +3215,7 @@ var fbTestFixture = {
           }
         },
         range: [0, 16],
-        openingElement: {
+        openingFragment: {
           type: 'JSXOpeningFragment',
           start: 0,
           end: 2,
@@ -3233,7 +3233,7 @@ var fbTestFixture = {
           attributes: [],
           selfClosing: false
         },
-        closingElement: {
+        closingFragment: {
           type: 'JSXClosingFragment',
           start: 13,
           end: 16,