Rename Selection to SelectionView in preparation for adding a Selection model

src/app/composite-selection.coffee

@@ -1,4 +1,4 @@
-Selection = require 'selection'
+SelectionView = require 'selection-view'
 _ = require 'underscore'
 
 module.exports =
@@ -38,7 +38,7 @@ class CompositeSeleciton
     @getLastSelection().clearSelection()
 
   addSelectionForCursor: (cursor) ->
-    selection = new Selection({@editor, cursor})
+    selection = new SelectionView({@editor, cursor})
     @selections.push(selection)
     @editor.renderedLines.append(selection)
     selection

src/app/selection-view.coffee

@@ -5,7 +5,7 @@ Range = require 'range'
 {View, $$} = require 'space-pen'
 
 module.exports =
-class Selection extends View
+class SelectionView extends View
   @content: ->
     @div()