Initial Multipart/form additions to RZWebServiceManager
Code cleanup.
Automatically create MIME types for file uploads in multipart form data
    **NOTE**: This creates a dependency in RZWebService for MobileCoreServices or CoreServices
Hash absolute URL instead of last path component.
Removed casting to string
Merge pull request #35 from Raizlabs/JL-CacheFix

Hash absolute URL instead of last path component.
Switch to #ifdef for DEBUG checks
Convert last DEBUG use into ifdef
Convert instance variables to properties
Clean up some small code tweaks
Moved the remainder of multipart post only data and logic from RZWebServiceParameter
Merge branch 'master' into SB-MultipartForm

Conflicts:
	WebServiceManager/RZWebServiceRequest.m
Add Mobile Core Services for the test target
Add tests for uploading images and files via Multipart form POST
Clean up some test code by modularizing common verification methods on JSON and Binary data
#define some of our test data that was used multiple times
Add some left out php files to the project
Use a predefined variable for JSON type
Add a test for sending multiple types of data through multipart POST
Switch RZWebServiceRequestParameterTypeBinaryData from a catch all to a specific type for NSData.  RZWebServiceRequestParameterTypeQueryString is returned to the default parameter type.  Fixes issues using NSArrays and dictionaries as parameters.
Simplify the if/else logic when determining parameter type
Merge pull request #31 from Raizlabs/SB-MultipartForm

Multipart Form POSTs