Fix for NaN duration values for 'looping' fix

Fix pixi.js drawOrder. Also, skeleton.drawOrder now is permutation of integers.

-[SPINE] Fixes Atlas attachment loader bug in which it would try to load the name of the attachment as a sprite instead of the name of the sprite.

-[SPINE] Fixed nasty infinite loop bug in attachment loader code.

-[HOUSEKEEPING] Fixes JS specific syntax errors.

-[SPINE] Spine.js file only contains the spine runtime, modifications needed made it to the official library. https://github.com/EsotericSoftware/spine-runtimes/pull/315

Remove trailing commas from object property lists ...

Removing trailing commas for:
- internal consistency;
- compatibility with the Google Closure compiler defaults.

The Google Closure compiler assumes ECMAScript 3 and emits errors when
parsing objects with trailing commas in their property list.
(Compilation succeeds if the user manually specifies ECMAScript 5.)

Merge branch 'master' of https://github.com/GoodBoyDigital/pixi.js

Extras - spine: Fix color timeline handling: alpha and color tint

Implemented animationSpeed for Spine animations. ...

Default value is 1.
This is simply the "timeScale" value from the Spine runtime, but with a more friendly name.

Docs, examples again, test folder, removeAll func

a million and one jshint fixes

Squashed commit of the following (jshint): ...

commit 09d68fb
Author: Dr. Kibitz <info@drkibitz.com>
Date:   Tue Sep 10 13:14:22 2013 -0700

    ignore W069 just in 4 methods

commit 931afab
Author: Dr. Kibitz <info@drkibitz.com>
Date:   Tue Sep 10 13:14:03 2013 -0700

    fix for warning W055

commit 43ad62a
Author: Dr. Kibitz <info@drkibitz.com>
Date:   Tue Sep 10 13:13:46 2013 -0700

    rename HEXtoRGB to hex2rgb

commit adc2a1e
Author: Dr. Kibitz <info@drkibitz.com>
Date:   Tue Sep 10 13:13:02 2013 -0700

    Changed some jshint settings

commit 0d8eb1e
Author: Dr. Kibitz <info@drkibitz.com>
Date:   Sun Sep 1 16:16:53 2013 -0700

    unittest-refactor branch compatible jshint setup

commit 3e91e79
Author: Dr. Kibitz <info@drkibitz.com>
Date:   Sun Sep 1 11:15:34 2013 -0700

    Final progress, jshint passed

commit c0f3750
Author: Dr. Kibitz <info@drkibitz.com>
Date:   Sun Sep 1 10:31:36 2013 -0700

    More progress

commit b211894
Author: Dr. Kibitz <info@drkibitz.com>
Date:   Sun Sep 1 02:38:10 2013 -0700

    jshint progress

Remove trailing whitespace

Fixed #268

Fixed bug described by @GillesVermeulen in #229

Fixed empty slots handling (#220); Fixed scaled slots handling (#205)

move constructor property to prototype, fixes #189

add a minor heading

minor clean up based on feedback

a shitload of doc updates

Documentation Fix

Spine Update ...

Spine loader added
Spine Runtime added
Spine Object added
Spine example added