Allow starting game as pauper, without any inventory

And also without spells, skills, or preidentified items.
This also implies nudist.

Breaks saves and bones.

src/u_init.c

@@ -559,6 +559,8 @@ static const struct def_skill Skill_W[] = {
 staticfn void
 knows_object(int obj)
 {
+    if (u.uroleplay.pauper)
+        return;
     discover_object(obj, TRUE, FALSE);
     objects[obj].oc_pre_discovered = 1; /* not a "discovery" */
 }
@@ -571,6 +573,9 @@ knows_class(char sym)
     struct obj odummy, *o;
     int ct;
 
+    if (u.uroleplay.pauper)
+        return;
+
     odummy = cg.zeroobj;
     odummy.oclass = sym;
     o = &odummy; /* for use in various obj.h macros */
@@ -1213,6 +1218,9 @@ ini_inv(struct trobj *trop)
     int otyp;
     boolean got_sp1 = FALSE; /* got a level 1 spellbook? */
 
+    if (u.uroleplay.pauper) /* pauper gets no items */
+        return;
+
     while (trop->trclass) {
         otyp = (int) trop->trotyp;
         if (otyp != UNDEF_TYP) {