update spidermonkey 27 to 28 for win32
fix char16_t from wchar_t to unsigned int for win32
update mozjs-27.lib to mozjs-28.lib
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into spidermonkey28
Merge branch 'SMv28' of https://github.com/pandamicro/cocos2d-js into spidermonkey28
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into spidermonkey28
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into spidermonkey28
Fixed #4927: Support XMLHTTPRequest in JSB for templates
Merge pull request #304 from joshuastray/spidermonkey28

issue #4916:Upgrade SpiderMonkey to v28
Merge pull request #305 from pandamicro/master

Fixed #4927: Support XMLHTTPRequest in JSB for templates
Merge pull request #306 from joshuastray/master

fixed #4924: Fix API inconsistence for cc.view
fixed #4547: Add application foreground and background status JSB support.