posix: Add exit and abort bindings
posix: Add exit and abort bindings

flobrosch/vala-fixes,jessevdk/vala,themiwi/vala,playya/vala,tjol/vala-tjol,Jc2k/vala,GNOME/vala,lovebug356/vala,GNOME/vala,severinh/vala,flobrosch/vala-fixes,frida/vala,rvu95/vala,rvu95/vala,spidermonkdust/vala,severinh/vala,tjol/vala-tjol,playya/vala,GNOME/vala,themiwi/vala,GNOME/vala,frida/vala,themiwi/vala,lovebug356/vala,frida/vala,kamanashisroy/aroop,phako/vala,spidermonkdust/vala,flobrosch/vala-fixes,severinh/vala,Distrotech/vala,Distrotech/vala,tjol/vala-tjol,Distrotech/vala,rvu95/vala,kamanashisroy/aroop,jessevdk/vala,xdave/pvala,Jc2k/vala,playya/vala,phako/vala,spidermonkdust/vala,kamanashisroy/aroop,jessevdk/vala,frida/vala,frida/vala