Adding AFNetworking architecture diagram
Fixing link to diagram in README
Fixing center alignment
Update README.md
Use NSURL methods instead of CFURL functions

* Replace CFURLCopyUserName with -[NSURL user]
* Replace CFURLCopyPassword with -[NSURL password]
Rename the `username` variable to `user`
Merge pull request #743 from 0xced/NSURL-user-password

Use NSURL methods instead of CFURL functions
Fix race condition in UIImageView+AFNetworking
[Issue #751] Removing NSURLConnectionDataDelegate from AFURLConnectionOperation's declared protocols
Suppressing warning caused by AFHTTPBodyPart -hasBytesAvailable not having default condition in switch statement
Merge branch 'master' of github.com:AFNetworking/AFNetworking
Merge pull request #747 from peymano/race-condition-fix-in-uiimageview

Fix race condition in UIImageView+AFNetworking
Enqueuing operation in upload example rather than calling -start directly
Whitespace formatting
Using early return in AFURLConnectionOperation -setState: to avoid posting notifications in lock
[Issue #737] Updating default Accept-Language header value in AFHTTPClient
Whitespace formatting by Xcode re-indentation
Merge branch 'experimental-issue-738'

Conflicts:
	AFNetworking/AFURLConnectionOperation.m
Fixing @param name to correspond to actual parameter (filename -> fileName)
Fixing warning caused by default statement in switch statement that covered all enumeration values