Release v1.1.0
Release v1.1.0. Changes - Moved all files into `point_one/fusion_engine/` directory and `point_one::fusion_engine` namespace - Renamed `Get*()` string helper functions to `to_string()` for STL consistency - Changed `PoseMessage` YPR definition to degrees for consistency with LLA values Improvements - Added `to_string()` function for `SolutionType` - Added `std::ostream` operators for convenience