Some more gitignore cleanups: cover contrib and PL regression test outputs.

Also do some further work in the back branches, where quite a bit wasn't
covered by Magnus' original back-patch.

contrib/btree_gist/.gitignore

@@ -1 +1,3 @@
 /btree_gist.sql
+# Generated subdirectories
+/results/

contrib/cube/.gitignore

@@ -1,3 +1,6 @@
 /cubeparse.c
+/cubeparse.h
 /cubescan.c
 /cube.sql
+# Generated subdirectories
+/results/

contrib/dblink/.gitignore

@@ -1 +1,3 @@
 /dblink.sql
+# Generated subdirectories
+/results/

contrib/dict_int/.gitignore

@@ -1 +1,3 @@
 /dict_int.sql
+# Generated subdirectories
+/results/

contrib/dict_xsyn/.gitignore

@@ -1 +1,3 @@
 /dict_xsyn.sql
+# Generated subdirectories
+/results/

contrib/earthdistance/.gitignore

@@ -1 +1,3 @@
 /earthdistance.sql
+# Generated subdirectories
+/results/

contrib/hstore/.gitignore

@@ -1 +1,3 @@
 /hstore.sql
+# Generated subdirectories
+/results/

contrib/intagg/.gitignore

@@ -0,0 +1 @@
+/int_aggregate.sql

contrib/intarray/.gitignore

@@ -1 +1,3 @@
 /_int.sql
+# Generated subdirectories
+/results/

contrib/ltree/.gitignore

@@ -1 +1,3 @@
 /ltree.sql
+# Generated subdirectories
+/results/

contrib/pg_trgm/.gitignore

@@ -1 +1,3 @@
 /pg_trgm.sql
+# Generated subdirectories
+/results/

contrib/pgcrypto/.gitignore

@@ -1 +1,3 @@
 /pgcrypto.sql
+# Generated subdirectories
+/results/

contrib/seg/.gitignore

@@ -1,3 +1,6 @@
 /segparse.c
+/segparse.h
 /segscan.c
 /seg.sql
+# Generated subdirectories
+/results/

contrib/tablefunc/.gitignore

@@ -1 +1,3 @@
 /tablefunc.sql
+# Generated subdirectories
+/results/

contrib/test_parser/.gitignore

@@ -1 +1,3 @@
 /test_parser.sql
+# Generated subdirectories
+/results/

contrib/tsearch2/.gitignore

@@ -1 +1,3 @@
 /tsearch2.sql
+# Generated subdirectories
+/results/

contrib/xml2/.gitignore

@@ -0,0 +1,2 @@
+# Generated subdirectories
+/results/

src/backend/bootstrap/.gitignore

@@ -1,2 +1,3 @@
 /bootparse.c
 /bootscanner.c
+/bootstrap_tokens.h

src/backend/parser/.gitignore

@@ -1,3 +1,4 @@
 /gram.h
 /gram.c
 /scan.c
+/parse.h

src/bin/ipcclean/.gitignore

@@ -0,0 +1 @@
+/ipcclean

src/include/parser/.gitignore

@@ -1 +1 @@
-/gram.h
+/parse.h

src/interfaces/libpq/.gitignore

@@ -7,3 +7,7 @@
 /strlcpy.c
 /thread.c
 /wchar.c
+/libpq.rc
+/blibpqdll.def
+/libpqddll.def
+/libpqdll.def

src/pl/plperl/.gitignore

@@ -2,3 +2,6 @@
 /Util.c
 /perlchunks.h
 /plperl_opmask.h
+
+# Generated subdirectories
+/results/

src/pl/plpgsql/src/.gitignore

@@ -1,2 +1,4 @@
 /pl_gram.c
 /pl_gram.h
+/pl.tab.h
+/pl_scan.c

src/pl/plpython/.gitignore

@@ -0,0 +1,2 @@
+# Generated subdirectories
+/results/

src/pl/tcl/.gitignore

@@ -0,0 +1,2 @@
+# Generated subdirectories
+/results/

src/pl/tcl/modules/.gitignore

@@ -0,0 +1,3 @@
+/pltcl_delmod
+/pltcl_listmod
+/pltcl_loadmod