Issue #5702: Update API
add Linux in README.md
Issue #5742: Add js_load_remote_image for load a image url to a texture in js
Issue #5781: Update visibleRect after setDesignResolutionSize
Issue #5781: Avoid script issue on desktop in test case
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js
Update cocos console ref
Merge pull request #641 from joshuastray/master

add Linux in README.md
Issue #5742: Avoid android compile issue
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js
Issue #5742: Avoid android compile issue patch2
Issue #5742: Move js_load_remote_image implementation to extensions manual bindings
Issue #5742: Improve __JSDownloaderDelegator implementation
Issue #5742: Support cc.loader.loadImg in JSB
Merge pull request #642 from pandamicro/master

Issue #5742: Add js_load_remote_image for load a image url to a texture in js
Issue #5702: modify ArmatureTest
Merge branch 'master' of https://github.com/VisualSJ/cocos2d-js into Iss5702_Armature
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into Iss5702_Armature
Fixed #5742: Support remote image in cc._imgLoader and cc.textureCache.addImage
Fixed #5742: Improve cc.textureCache.addImage