Rename src/tests/ltl2tgba as src/tests/ikwiad.

Fixes #23.

* src/tests/ltl2tgba.cc: Rename as ...
* src/tests/ikwiad.cc: ... this.
* src/tests/Makefile.am, src/tests/babiak.test, src/tests/checkta.cc,
src/tests/complementation.test, src/tests/cycles.test,
src/tests/dbacomp.test, src/tests/degendet.test,
src/tests/degenid.test, src/tests/det.test, src/tests/dfs.test,
src/tests/dstar.test, src/tests/dupexp.test, src/tests/emptchke.test,
src/tests/kv.test, src/tests/ltl2neverclaim-lbtt.test,
src/tests/ltl2neverclaim.test, src/tests/ltl2tgba.test,
src/tests/ltlcounter.test, src/tests/ltlcross.test,
src/tests/neverclaimread.test, src/tests/obligation.test,
src/tests/parseaut.test, src/tests/randaut.test,
src/tests/randpsl.test, src/tests/renault.test,
src/tests/satmin2.test, src/tests/sccsimpl.test, src/tests/sim2.test,
src/tests/simdet.test, src/tests/spotlbtt.test, src/tests/wdba.test,
src/tests/wdba2.test, bench/emptchk/README, bench/emptchk/defs.in,
bench/ltlclasses/run, bench/ltlcounter/run, bench/wdba/run: Adjust.

src/tests/degenid.test

@@ -26,12 +26,12 @@ set -e
 
 for f in 'FGa|GFb' 'GFa & GFb & GFc' 'GF(a->FGb)&GF(c->FGd)'; do
   for opt in -DS -DT; do
-    ../ltl2tgba $opt -H "$f" > autX.spot
-    ../ltl2tgba -XH -kt autX.spot > base.size
+    ../ikwiad $opt -H "$f" > autX.spot
+    ../ikwiad -XH -kt autX.spot > base.size
     cat base.size
     for x in X XX XXX; do
-      ../ltl2tgba -XH $opt -H aut$x.spot > autX$x.spot
-      ../ltl2tgba -XH -kt autX$x.spot > new.size
+      ../ikwiad -XH $opt -H aut$x.spot > autX$x.spot
+      ../ikwiad -XH -kt autX$x.spot > new.size
       cat new.size
       cmp base.size new.size
     done
@@ -78,7 +78,7 @@ State: 5
 --END--
 EOF
 
-run 0 ../ltl2tgba -ks -XH -DS bug > out
+run 0 ../ikwiad -ks -XH -DS bug > out
 grep 'states: 6' out
 
 
@@ -126,7 +126,7 @@ State: 7
 --END--
 EOF
 
-run 0 ../ltl2tgba -ks -XH -DS bug2 >out
+run 0 ../ikwiad -ks -XH -DS bug2 >out
 grep 'states: 8' out