Squashed commit of the following:

commit dd4fd56cbf328eb8bed5fd45cfd253d0e69122cf
Merge: 92dec56 237d0af
Author: Mattt Thompson <m@mattt.me>
Date:   Fri Nov 15 18:19:01 2013 -0800

    Merge branch 'master' of github.com:carlj/TransformerKit into carlj-master

commit 237d0af39a2d19af5c01d011d9c41087f4611ad1
Author: Carl Jahn <jahncarl@gmail.com>
Date:   Mon Oct 7 11:21:23 2013 +0200

    removed unecessary NSLog statements

commit b37fdf14a1cfb644dbab1b5cfff03b9d7a807bc7
Author: Carl Jahn <jahncarl@gmail.com>
Date:   Mon Oct 7 10:58:02 2013 +0200

    added JSON Transformer

Signed-off-by: Mattt Thompson <m@mattt.me>
Merge branch 'master' of github.com:dmdeller/TransformerKit into dmdeller-master

Conflicts:
	TransformerKit/NSValueTransformer+TransformerKit.m
Minor refactoring and reformatting
Removing dead value
Adding ICU string transformer
Bumping version to 0.3.0
Potential fix for loss of timezone when date contains milliseconds
Fix for datetime with milliseconds

Rails 4 changed their datetime format to include milliseconds.
Merge pull request #32 from hankwallace/master

Add support for milliseconds
Bumping version to 0.3.1
Adding cryptographic transformers
Fixing analyzer warning about zero length array
Fixing cryptography transformers
Bumping version to 0.4.0

Dividing podspec into subspecs for each kind of transformer
Removing default subspec
[Issue #35] Adding conditional compilation of cryptographic transformers on iOS
Update README.md
[Issue #36] Updating podspec to make CommonCrypto explicitly an OS X dependency
Merge branch 'master' of github.com:mattt/TransformerKit
Change podspec outermost source_files to only include TransformerKit/TransformerKit.h to avoid double inclusion