* For PoseNet, Relaxing the requirement for inputResolution to be a certain value, and having the model figure out the proper resolution based on the output stride.

added load tests

Allow both width and height to be specific as input resolution for PoseNet.
If just a number is provided, both width and height are the same.

Updated tests to support both width and height.

* Updated documentation as a result of feedback.
Exported type

* update posenet version

* updated input resolution to use simpler formula

* removed space posenet

removed space