add simple ios app
update ios flavor of sample app
fix utils.gyp for ios

git-svn-id: http://skia.googlecode.com/svn/trunk@5686 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/utils.gyp b/gyp/utils.gyp
index 49b4599..e5274ed 100644
--- a/gyp/utils.gyp
+++ b/gyp/utils.gyp
@@ -98,6 +98,8 @@
               '$(SDKROOT)/System/Library/Frameworks/AGL.framework',
             ],
           },
+        }],
+        [ 'skia_os in ["mac", "ios"]', {
           'direct_dependent_settings': {
             'include_dirs': [
               '../include/utils/mac',