Updated ISD and tests (#87)

* updated tests + RIP TestyMcTestFace

* keys updated

* Probably should not hard code .cpps in the CMakeLists.txt for GTest

* updated specs to mimic synthetic json

* appveyor assumed broken from standup, disabling until fixed

* eulers are now quats

* merge from jay's changes

* merge markers

* renamed quats as per Jessie's reccomendation

* only appends sensor_orientation to missing params

* stupid markers

* updated test ISD

* changes as per some comments

* updated as per comments

* defaults are all 0

* #pragma once to C style header guard

* stragler change

* missed some params

* missed another

* moving things around