Hotfix

Fixes a bug where addabsrmf wasn't getting passed the correct path by nuskybgd_spec.

Internalizing detabs

This version fixes a bug where the detector absorption was not included
in output background spectra or images.

In general, this caused a % level bias at low energies, but could be important for faint observations.

The background does not have to be refit with this update; only nuskybgd_image.pro and/or nuskybgd_spec.pro need to be rerun.

For nuskybgd_image.pro, DO NOT set the /noremakeinstr, as these files need to be remade (but once made for a given observation, the keyword can be used again).

Please report any issues to D. Wik.

No more nuabs!

Stable version of nuskybgd. Most documentation should be complete here.

Version 0.1

nuskybgd circa 2014.