Lro Wac fix (#595)

* Set LRO WAC ephemeris times equal to the ISIS times

* Initial addition for lro wac load test

Further edits to the lro wac ephemeris times

Update lro wac load test

Refined sliced kernels to be much smaller

* Moved frame number fix from type sensorinto concrete driver

* added changelog entry

* Updated lro test

* Fixed other lro wac tests