[.gitignore] Create top-level .gitignore file matching most things excluded by SVN.

.gitignore

+
+Makefile
+Makefile.in
+
+.deps
+.libs
+.obj
+
+*.aux
+*.dvi
+*.lof
+*.log
+*.lot
+*.toc
+*.blg
+*.bbl
+*.out
+.*~
+*.o
+*.lo
+*.la
+*.m4
+*.cache
+
+
+# user-specific directories
+/v1.4/user/
+/v2.0/user/
+
+/v1.4/userkr/
+/v2.0/userkr/
+
+
+# autotools distribution files
+INSTALL
+SVNREV
+compile
+config.guess
+config.h
+config.h.in
+config.log
+config.status
+config.sub
+configure
+depcomp
+install-sh
+libtool
+ltmain.sh
+missing
+stamp-h1