Add short aliases

Author: raphink

src/augtool.c

@@ -853,9 +853,12 @@ static void setup_lua(void) {
     lua_register(LS, "setm", lua_aug_setm);
     // lua_register(LS, "span", lua_aug_span);
     lua_register(LS, "insert", lua_aug_insert);
+    lua_register(LS, "ins", lua_aug_insert); // alias
     lua_register(LS, "rm", lua_aug_rm);
     lua_register(LS, "mv", lua_aug_mv);
+    lua_register(LS, "move", lua_aug_mv); // alias
     lua_register(LS, "cp", lua_aug_cp);
+    lua_register(LS, "copy", lua_aug_cp); // alias
     lua_register(LS, "rename", lua_aug_rename);
     lua_register(LS, "matches", lua_aug_matches);
     lua_register(LS, "match", lua_aug_match);