Convert svn:ignore properties to .gitignore.

.gitignore

+
+# /
+/Makefile
+/Makefile.in
+/config.*
+/configure
+/dependencies.m4
+/aclocal.m4
+/autom4te.cache
+/depcomp
+/install-sh
+/missing
+/mkinstalldirs
+/libtool
+/dune-tnnmg.pc
+/semantic.cache
+/am
+/.libs
+/stamp-h1
+/ltmain.sh
+/dune
+
+# /doc/
+/doc/Makefile.in
+/doc/Makefile
+
+# /doc/doxygen/
+/doc/doxygen/Makefile.in
+/doc/doxygen/Makefile
+
+# /dune-tnnmg/
+/dune-tnnmg/Makefile.in
+/dune-tnnmg/Makefile
+
+# /dune-tnnmg/nonlinearities/
+/dune-tnnmg/nonlinearities/Makefile.in
+/dune-tnnmg/nonlinearities/Makefile
+/dune-tnnmg/nonlinearities/.*.swp
+
+# /dune-tnnmg/nonlinearities/test/
+/dune-tnnmg/nonlinearities/test/Makefile.in
+/dune-tnnmg/nonlinearities/test/Makefile
+/dune-tnnmg/nonlinearities/test/.deps
+/dune-tnnmg/nonlinearities/test/testminimalsurfacefunctional
+
+# /m4/
+/m4/Makefile.in
+/m4/Makefile
+
+# /src/
+/src/Makefile.in
+/src/Makefile
+/src/dune_tnnmg
+/src/.deps