Support specifying tooltip direction on octicons
Support specifying tooltip direction on octicons

shiftkey/desktop,j-f1/forked-desktop,j-f1/forked-desktop,say25/desktop,desktop/desktop,shiftkey/desktop,desktop/desktop,shiftkey/desktop,shiftkey/desktop,artivilla/desktop,say25/desktop,artivilla/desktop,artivilla/desktop,say25/desktop,desktop/desktop,say25/desktop,j-f1/forked-desktop,j-f1/forked-desktop,artivilla/desktop,desktop/desktop