switch terminal of awesome keybinding from st to xterm

awesome/pravitekeys.lua

@@ -55,7 +55,7 @@ pravitekeys = awful.util.table.join(
 
    awful.key({ altkey, "Control" }, "r",
       function ()
-         run_or_raise("st", {class = "St"})
+         run_or_raise("xterm", {class = "XTerm"})
    end),
 
    awful.key({ modkey }, "e",

awesome/rc.lua

@@ -89,7 +89,7 @@ local themes = {
 local chosen_theme = themes[5]
 local modkey       = "Mod4"
 local altkey       = "Mod1"
-local terminal     = "st"
+local terminal     = "xterm"
 local vi_focus     = false -- vi-like client focus - https://github.com/lcpz/awesome-copycats/issues/275
 local cycle_prev   = true -- cycle trough all previous client or just the first -- https://github.com/lcpz/awesome-copycats/issues/274
 local editor       = os.getenv("EDITOR") or "vim"