Moved GHViewTestCase.[hm] from Classes to Classes-iOS
added stderr redirect environment variable.
provides a fix for issue 105

to reproduce the problem:

1. clone the latest gh-unit
2. cd gh-unit/Project-MacOSX
3. build the MacOS framework: eg.  CC=;make clean;make
4. create a new Xcode project that uses the GHUnit.framework you just
created following these instructions:
http://gabriel.github.com/gh-unit/docs/appledoc_include/guide_install_macosx_4.html
5. in Xcode, build and run

expected: no problems
found:
/Users/moody/git/gh-unit-fork/Test/Test/GHUnit.framework/Headers/GHUnit.h:42:9:
'GHTestUtils.h' file not found

solution:
1. in GHUnit.h move GHTestUtils.h to #if TARGET_OS_IPHONE block
2. repeat step 3 and replace GHUnit.framework in Xcode project
3. build
Updated guide to work with iOS 6.1 and Xcode 4.6.1

Added link to downloads.
Added suggestion to turn on Automatic reference counting.
Added suggestion to link QuartzCore on error.
Fix up config to work as a submodule properly.
Xcode doing its thing
Merge pull request #114 from jmoody/master

in MacOS project GHUnit.h incorrectly imports GHTestUtils
Change save location with GHUNIT_DOCS_DIR.
switched to memcmp for view image comparison
compare images based on pixel sizes instead of point sizes
updated compiler settings for ARC and latest compiler
fixed spelling error
added bits per component to comparison
Merge pull request #2 from Yelp/basher_fast_image_compare

Faster Image Comparison
Merge pull request #3 from Yelp/basher_proj_file

Fixed some compiler settings
* Bumping version to 0.5.7
* Add Cocoapod spec files
* Change iOS Example to support iOS 7 and Retina devices
* Update framework in iOS Example to 0.5.7
* Add support for armv64 in iOS Example
* Update framework in MacOSX Example to 0.5.7
Change URL to gh-unit
Change URL to gh-unit