Added autoParagraph functionality to 2.3 Branch

Following previous autoP discussion, this is an update to the function. I haven't done 'test' in cake before, so I will not be able to create the proper test cases.
Update to the autoParagraph code format

Updated the comments and overall code formatting to match the 2.x coding conventions.
Updated nl2br location 

PHPUnit test showed that this was the proper way of defining it.
Added Test Case for autoParagraph

Added proper PHPUnit test cases for autoParagraph text helper
Removed test from StringTest

Removed previous test to add them to the proper location
Added testAutoParagraph to the TextHelperTest

Implemented test for the textHelperTest
Update white space to math coding standards

Added proper tab and spacing to respect coding standards
Updated testAutoParagraph coding standard

Updated the spaces in testAutoParagraph to match the coding standards
Replaced long strings with hereDoc strings

Updated the tests to use hereDoc style format for long strings.
Update to the BR regex

Updated the regex used for <br> type detection
Added test for <br> regex

Added additional test for classes and ID of regex along with uppercase br
Merged all commits of Patch-1 into 1 commit