update .gitignore for developers

.gitignore

@@ -1,6 +1,6 @@
 # don't push out -i
 -i
-parser-built
+
 *.save
 .DS_Store
 .DS_Store?
@@ -14,53 +14,68 @@ parser-built
 *.dSYM
 .build
 .made
-Makefile
+
+config.h
+config.status
+config.cache
+config.log
+
+autom4te.cache
+
 bash
 bashbug
 bashversion
+
+Makefile
 builtins/Makefile
 builtins/builtext.h
 builtins/builtins.c
 builtins/mkbuiltins
 builtins/pipesize.h
 builtins/psize.aux
-config.h
-config.status
+
 doc/Makefile
 examples/loadables/Makefile
 examples/loadables/Makefile.inc
 examples/loadables/perl/Makefile
 lib/glob/Makefile
 lib/intl/Makefile
-lib/intl/charset.alias
-lib/intl/libgnuintl.h
-lib/intl/libintl.h
-lib/intl/ref-add.sed
-lib/intl/ref-del.sed
 lib/malloc/Makefile
 lib/readline/Makefile
 lib/sh/Makefile
 lib/termcap/Makefile
 lib/tilde/Makefile
-lsignames.h
-mksignames
-mksyntax
-pathnames.h
+support/Makefile
+
+lib/intl/charset.alias
+lib/intl/libgnuintl.h
+lib/intl/libintl.h
+lib/intl/ref-add.sed
+lib/intl/ref-del.sed
+
 po/Makefile
 po/Makefile.in
 po/POTFILES
-printenv
-recho
-signames.h
-stamp-h
-support/Makefile
+
 support/bash.pc
 support/man2html
+support/bashbug.sh
+
+lsignames.h
+pathnames.h
+signames.h
+version.h
 syntax.c
+stamp-h
+
+mksignames
+mksyntax
+
+printenv
+recho
+xcase
+zecho
 tests/printenv
 tests/recho
 tests/xcase
 tests/zecho
-version.h
-xcase
-zecho