Renamed source files to match the name of the containing prototype

Jakefile.js

@@ -48,25 +48,25 @@ task('build', {async: true}, function () {
 
             './src/util.js',
             './src/events.js',
-            './src/timestep.js',
-            './src/dataset.js',
-            './src/dataview.js',
-            './src/stack.js',
-            './src/range.js',
-            './src/eventbus.js',
-            './src/controller.js',
-
-            './src/component/component.js',
-            './src/component/panel.js',
-            './src/component/rootpanel.js',
-            './src/component/timeaxis.js',
-            './src/component/itemset.js',
+            './src/TimeStep.js',
+            './src/DataSet.js',
+            './src/DataView.js',
+            './src/Stack.js',
+            './src/Range.js',
+            './src/EventBus.js',
+            './src/Controller.js',
+
+            './src/component/Component.js',
+            './src/component/Panel.js',
+            './src/component/RootPanel.js',
+            './src/component/TimeAxis.js',
+            './src/component/ItemSet.js',
             './src/component/item/*.js',
-            './src/component/group.js',
-            './src/component/groupset.js',
+            './src/component/Group.js',
+            './src/component/GroupSet.js',
 
-            './src/timeline.js',
-            './src/graph/graph.js',
+            './src/Timeline.js',
+            './src/graph/Graph.js',
 
             './src/module/exports.js'
         ],