IE9: Unable to get value of the property 'createSegment': object is null or undefined

In the following tests:

- Peaks API interface should be able to add and return segments
- player/waveform/waveform.segments addSegment should accept spreaded arguments
- player/waveform/waveform.segments addSegment should accept an array of Segment objects

Also, `Unable to get value of the property 'views': object is null or undefined` in:
- player/waveform/waveform.segments addSegment should paint once, and not after each segment addition