Update projects to Tizen 2.1 SDK.
Merge pull request #2611 from pyrasis/tizen_2.1

Update projects to Tizen 2.1 SDK.
fixed #2214: Upgrading Spidermonkey to Firefox v21
Merge pull request #2613 from dumganhar/iss2214-spidermonkey-v21

fixed #2214: Upgrading Spidermonkey to Firefox v21
Adding lua libaray and sample projects for Tizen.
Merge pull request #2614 from pyrasis/tizen_2.1

Adding lua libaray and sample projects for Tizen.
Merge branch 'master' of https://github.com/cocos2d/cocos2d-x into Quick-cocos2d-x