nls: add functions which take translations to be used

Add the following three functions to most of the commands.

setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);

Reference: http://www.freelists.org/post/procps/backporting,1
Reported-by: Jim Warner <james.warner@comcast.net>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>

ps/display.c

@@ -530,7 +530,9 @@ static void fancy_spew(void){
 /***** no comment */
 int main(int argc, char *argv[]){
 #if (__GNU_LIBRARY__ >= 6)
-  setlocale (LC_CTYPE, "");
+  setlocale (LC_ALL, "");
+  bindtextdomain(PACKAGE, LOCALEDIR);
+  textdomain(PACKAGE);
 #endif
 
 #ifdef DEBUG