Only loop through array indices and error checking
Antialiasing now an option for renderer (off by default)
preventDefault option added to InteractionManager

Originially included to disable zooming/scrolling the browser on
mobile.

The user can now set the preventDefault property on the
interactionManager to enable scrolling / zooming of the site.

Also fixed bug so original touch event is passed to touchData too
rather than the mouseData
Visibibility optimised, interaction bug fixed

interaction bug fixed where a nested interactive object was still
interactive if its parent is visible
Fixed #268
Added goblins to spine examples
Fixed bug when mouseUp being called instead of MouseOut
touch/mouse prevent default now to be handled by the user

Examples updated to reflect change
Merge pull request #269 from GorshSerginio/dev

Fixed #268
Code Tidy

Little house cleaning on the code
Set antialising to true to Graphics example
Example 3 updated
Add AMD export, fixes #267
Merge pull request #187 from johnste/dev

Use proper array iteration
change conditional, fixes #187 conditional
Use correct IE ajax
minor optimizations in bitmap font loader
Only draw if frame has width and height (fixes IE index issues)
fix font not being served as text/xml on dev server (causes IE explosion)
cherry-pick canvas fixes from 9eaa024