Add wrappers to work with the new gthread logic

src/sview/Makefile.am

src/sview/Makefile.in

src/sview/block_info.c

src/sview/grid.c

src/sview/gthread_helper.c

src/sview/gthread_helper.h

src/sview/job_info.c

src/sview/node_info.c

src/sview/part_info.c

src/sview/popups.c

src/sview/resv_info.c

src/sview/sview.c

src/sview/sview.h