Add a gitignore file to hide build artifacts

Author: carlbennett

.gitignore

@@ -0,0 +1,24 @@
+*.lo
+*.o
+.deps/
+.dirstamp
+.libs/
+/aclocal.m4
+/autom4te.cache/
+/compile
+/config.guess
+/config.h
+/config.h.in
+/config.h.in~
+/config.log
+/config.status
+/config.sub
+/configure
+/depcomp
+/install-sh
+/libtool
+/ltmain.sh
+/missing
+/stamp-h1
+Makefile
+Makefile.in