Actually install the default 'nqp'

Now when you run 'make install', you'll install 'nqp' along with 'nqp-m'
and/or 'nqp-j' into the appropriate BIN_DIR.

Configure.pl

@@ -106,7 +106,8 @@
 
     my $launcher = substr($default_backend, 0, 1) . '-runner-default';
     print $MAKEFILE "all: ", join(' ', map("$_-all", @prefixes), $launcher), "\n";
-    for my $t (qw/clean test qregex-test install/) {
+    print $MAKEFILE "install: ", join(' ', map("$_-install", @prefixes), $launcher . '-install'), "\n";
+    for my $t (qw/clean test qregex-test/) {
         print $MAKEFILE "$t: ", join(' ', map "$_-$t", @prefixes), "\n";
     }
 

tools/build/Makefile-JVM.in

@@ -255,6 +255,10 @@ j-runner-default: j-all
 	$(CP) $(J_RUNNER) nqp$(BAT)
 	$(CHMOD) 755 nqp$(BAT)
 
+j-runner-default-install: j-runner-default j-install
+	$(CP) $(DESTDIR)$(BIN_DIR)/$(J_RUNNER) $(DESTDIR)$(BIN_DIR)/nqp$(BAT)
+	$(CHMOD) 755 $(DESTDIR)$(BIN_DIR)/nqp$(BAT)
+
 $(P5QREGEX_JAR): $(ALL_OUTPUT) $(P5QREGEX_SOURCES)
 	$(MKPATH) $(J_STAGE2)
 	$(PERL) tools/build/gen-cat.pl jvm $(P5QREGEX_SOURCES) > $(J_STAGE2)/$(P5QREGEX_COMBINED)

tools/build/Makefile-Moar.in

@@ -260,6 +260,10 @@ m-runner-default: m-all
 	$(CP) $(M_RUNNER) nqp$(BAT)
 	$(CHMOD) 755 nqp$(BAT)
 
+m-runner-default-install: m-runner-default m-install
+	$(CP) $(DESTDIR)$(BIN_DIR)/$(M_RUNNER) $(DESTDIR)$(BIN_DIR)/nqp$(BAT)
+	$(CHMOD) 755 $(DESTDIR)$(BIN_DIR)/nqp$(BAT)
+
 $(P5QREGEX_MOAR): $(P5QREGEX_SOURCES) $(NQP_MOAR) $(M_RUNNER)
 	$(MKPATH) $(M_STAGE2)/gen
 	$(PERL) tools/build/gen-cat.pl moar $(P5QREGEX_SOURCES) > $(M_STAGE2)/$(P5QREGEX_COMBINED)