Rename softWrap to softWrapped

Our new pattern for booleans is to have ::set and ::is, and that means
the property name needs to be in passive voice for ::is to make sense.
This is in preparation for adding a new change observation method.

* ::setSoftWrapped
* ::isSoftWrapped
* ::toggleSoftWrapped

menus/darwin.cson

@@ -164,7 +164,7 @@
         ]
       }
       { type: 'separator' }
-      { label: 'Toggle Soft Wrap', command: 'editor:toggle-soft-wrap' }
+      { label: 'Toggle Soft Wrap', command: 'editor:toggle-soft-wrapped' }
     ]
   }
 

menus/linux.cson

@@ -103,7 +103,7 @@
         ]
       }
       { type: 'separator' }
-      { label: 'Toggle Soft &Wrap', command: 'editor:toggle-soft-wrap' }
+      { label: 'Toggle Soft &Wrap', command: 'editor:toggle-soft-wrapped' }
     ]
   }
 

menus/win32.cson

@@ -122,7 +122,7 @@
         ]
       }
       { type: 'separator' }
-      { label: 'Toggle Soft &Wrap', command: 'editor:toggle-soft-wrap' }
+      { label: 'Toggle Soft &Wrap', command: 'editor:toggle-soft-wrapped' }
     ]
   }