Update sample to use new perlin noise shader, and make cloud like

gyp/SampleApp.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 {
   'targets': [
     {
       'target_name': 'SampleApp',
       'type': 'executable',
       'include_dirs' : [
         '../include/private',
         '../src/core',
         '../src/effects', #needed for BlurMask.h
         '../src/gpu', # needed by SkLua.cpp
         '../src/images',
         '../src/lazy',
         '../gm',       # needed to pull gm.h
         '../samplecode', # To pull SampleApp.h and SampleCode.h
         '../src/pipe/utils', # For TiledPipeController
         '../src/utils/debugger',
         '../tools',
+        '../experimental',
       ],
       'includes': [
         'gmslides.gypi',
       ],
       'sources': [
         '../gm/gm.cpp',
         '../samplecode/GMSampleView.h',
         '../samplecode/GMSampleView.cpp',
         '../samplecode/ClockFaceView.cpp',
         '../samplecode/OverView.cpp',
@@ skipping 91 matching lines @@
         #'../experimental/DrawingBoard/SkNetPipeController.h',
         #'../experimental/DrawingBoard/SkNetPipeController.cpp',
         #'../experimental/DrawingBoard/SampleDrawingClient.cpp',
         #'../experimental/DrawingBoard/SampleDrawingServer.cpp',
 
         # Networking
         #'../experimental/Networking/SampleNetPipeReader.cpp',
         #'../experimental/Networking/SkSockets.cpp',
         #'../experimental/Networking/SkSockets.h',
 
+        # PerlinNoise2
+        '../experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.cpp',
+        '../experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.h',
+
         # TiledPipeController
         '../src/pipe/utils/SamplePipeControllers.h',
         '../src/pipe/utils/SamplePipeControllers.cpp',
 
         # Lua
         '../src/utils/SkLuaCanvas.cpp',
         '../src/utils/SkLua.cpp',
       ],
       'sources!': [
         '../samplecode/SampleSkLayer.cpp', #relies on SkMatrix44 which doesn't compile
@@ skipping 121 matching lines @@
           ],
         }],
         [ 'not skia_pdf', {
           'dependencies!': [ 'pdf.gyp:pdf' ],
           'dependencies': [ 'pdf.gyp:nopdf' ],
         }],
       ],
     },
   ],
 }