Fix load_spinner module to work with jQuery 1.9+
Fix load_spinner module to work with jQuery 1.9+

The load_spinner uses the global Ajax events to show the spinner.  We
were applying the load_spinner widget to the body tag, which resulting
in attaching the events to the tag.  For jQuery 1.9+, these events must
be attached to the document only,

Signed-off-by: Steven Chan <e44f0ea69ce310c26f3dae7dc40dfba581c2c7de@sitka.bclibraries.ca>

stevenyvr987/evergreen-mobile-opac,tectronics/evergreen-mobile-opac,tectronics/evergreen-mobile-opac,stevenyvr987/evergreen-mobile-opac,tectronics/evergreen-mobile-opac,a-pasquale/evergreen-mobile-opac,stevenyvr987/evergreen-mobile-opac,tectronics/evergreen-mobile-opac,a-pasquale/evergreen-mobile-opac,stevenyvr987/evergreen-mobile-opac,a-pasquale/evergreen-mobile-opac