Requirements from IoT.js

[ILyoan]

This issue is for all works required from IoT.js.

The list of requirements is in jerryscript-project/iotjs#3

• arguments Instantiation of Arguments object #102
• Object.create Implement Object.create function #209
• Object.keys Implement Object.keys and Object.getOwnPropertyNames #124
• Function.prototype.apply Implement Function.prototype.apply() #163
• String.prototype.slice Implement String.prototype.slice() #138

Complete ECMA262 Array builtin object. #3

• Array.prototype.slice Implemented Array.prototype.slice(). #78
• Array.prototype.push Implemented Array.prototype.push() #7
• Array.prototype.shift Implemented Array.prototype.shift(). #24
• Array.isArray

[galpeter]

The Array.isArray is already implemented, see: https://github.com/Samsung/jerryscript/blob/master/jerry-core/ecma/builtin-objects/ecma-builtin-array.cpp#L57

[galpeter]

It seems that all of the mentioned functions are implemented now in the master.

[ILyoan]

Closing as all items are fulfilled.