Original Commit Log:

* Get build working on beta 6.
* Fix tests.
* Remove team.
* Clean up whitespace.
* Mark as private instead of fileprivate.
* Get rid of intermediate value.
* Open up the classes.
* Remove extraneous set of parens.
* Refactor some casts, remove most uses of AnyObject, properly encode Bool.
* Add bytesReceived variable.
* Make casts optional.
* Cleanup whitespace.
* Replaced optional CFString cast with non-optional variant.
* Removed unnecessary cast for parameters in ResponseTests.

Update MultipartFormData.swift - fix parameter: withN -> withName

Update podspec to 4.0.0, update deployment targets.

Feature - Moving SessionDelegate to Store Requests

fix append overload parameter name withN -> withName

Refactored All APIs for Swift 3

Also removed all cases of `Foundation.` prefixes where possible by refactoring all local variables to avoid naming collisions.

Also cleaned up all OS version checks that are no longer necessary.

# Conflicts:
#	Source/Alamofire.swift

# Conflicts:
#	Source/Alamofire.swift

# Conflicts:
#	Source/Alamofire.swift

# Conflicts:
#	Source/Validation.swift

# Conflicts:
#	Source/ResponseSerialization.swift
#	Tests/MultipartFormDataTests.swift
#	Tests/ParameterEncodingTests.swift
#	Tests/RequestTests.swift
#	Tests/SessionDelegateTests.swift

Add the `public` identifier to the `BackendError` enum in the part about using Generics for Serialization.

Reason:
The extension of Request throws an error ("Method cannot be declared public because its parameter uses an internal type") unless the enum is public.

# Conflicts:
#	Tests/RequestTests.swift

# Conflicts:
#	Tests/TLSEvaluationTests.swift