Refactors DisplayListTree class

removes item tree. flat displayobject store is sufficient.
Restores selection after update
Adds simple keyboard nav; optimized element creation
Remove duplicate listeners
Merge pull request #638 from tschneidereit/master

Adds support for word wrapping and TextFormat.leading to TextField
Prevents default in displaylist's keydown handler
Merge pull request #639 from tschneidereit/master

TextField colors and auto-sizing
Merge pull request #641 from tschneidereit/master

Some fixes and optimizations to bounds and transforms in DisplayObject and TextField
adds wireframe mode
Fixes embedding binary data
Refactoring binding of the native methods
Fixes Proxy class initialization
restores display list scroll position
Use getBounds instead of _bbox
Do not clip invalid regions in wireframe mode
getRegion to return getBounds when in wireframe mode

unsure about this, seems to have undesirable side effects (ghost elements appear in wireframe mode). @tobeytailor, help? ;)
Adds xslimport example
Merge pull request #644 from yurydelendik/xlsdemo

Example of usage of Shumway AVM2 without any SWF/CANVAS stuff
Visualize wireframe outline color in display list
Combine GotoFrame and subsequent Play or Stop actions.