Merge pull request iraf-community#77 from olebole/install.sh

Make "sed -i" portable between Linux and MacOS

Fix cleaning up cfitsio after build

Otherwise, lots of .o files are left in the binary package

Merge pull request iraf-community#32 from iraf-community/local/fix-cl…

…-bkg

Fix background execution in cl and ecl

Remove vo package from test output

Remove vo package from test output

Remove vo package from test output