Submit on command-enter.
Submit on command-enter.

Fixes #281.

artivilla/desktop,shiftkey/desktop,shiftkey/desktop,hjobrien/desktop,hjobrien/desktop,BugTesterTest/desktops,artivilla/desktop,BugTesterTest/desktops,hjobrien/desktop,say25/desktop,gengjiawen/desktop,desktop/desktop,j-f1/forked-desktop,say25/desktop,desktop/desktop,say25/desktop,artivilla/desktop,j-f1/forked-desktop,shiftkey/desktop,gengjiawen/desktop,gengjiawen/desktop,kactus-io/kactus,kactus-io/kactus,kactus-io/kactus,desktop/desktop,BugTesterTest/desktops,j-f1/forked-desktop,artivilla/desktop,say25/desktop,BugTesterTest/desktops,j-f1/forked-desktop,desktop/desktop,shiftkey/desktop,hjobrien/desktop,gengjiawen/desktop,kactus-io/kactus