GitLab

* xside - flat space approximation above 1000rg added
* kynbb & kynphebb - radius can be up to 100000 rg or infinite
* kynbb - the accretion rate definition in Medd added
* Q/I and U/I added as an output for polarization in kynbb, kynphebb and
  kynlpcr
* kynlpcr - the orientation angle added