Fix #268 - Only call GameCenter authenticate callback once
Implement some more DOM stuff; close #262
Update Ejecta.js

Cosmetics. remove ending space & add missed ";"
Merge pull request #271 from finscn/patch-1

Update Ejecta.js
set default value of  document.hidden

I think document.hidden need default value "false".

Because  sometimes I need to check it's value by "===" in a function and the function will be called as soon as the app start-up.
Merge pull request #272 from finscn/patch-3

set default value of  document.hidden
Cosmetics.fix:"mixed tab&space" and "ending space"

Cosmetics.fix:"mixed tab&space" and "ending space"
Cosmetics
Merge pull request #273 from finscn/patch-4

Cosmetics.fix:"mixed tab&space" and "ending space"
Added ejecta.allowSleepMode; close #270
Fixed some memory leaks and sloppy behavior; close #292
Removed unused translate property
Added Audio.muted property; close #291
Added sourceURL to evaluateScript's error message; close #283
Compile all SocketRocket files with ARC enabled
New JSC version with with arm64 support
Enabled arm64 arch; fixed problems with 64bit builds
Added JSValueGetPrivate to safely get private data from any JSValueRef
Added armv7s slice for AppStore compatability when publishing arm64 Apps
Fix #293 - don't pause Audio when muted