Update UI classes to use namespaces.
Move YUI class to Html namespace.
Update more UI code to use namespaces.
Clean up UIObject/Object references.
Strip trailing php tags from files.
Start cleaning up string concatenation whitespace.
Indent switch statements.
Put final and static modifiers before visibility modifiers.
Fix PSR-2 standards errors.
Put abstract modifier before visibility modifier.
Fix PSR-2 standard errors.