Update .gitignore.

.gitignore

@@ -1,17 +1,28 @@
-Makefile
-Makefile.in
-*.o
 *.a
-/config.*
-/src/tincd
-/autom4te.cache
+*.dirstamp
+*.o
+*.orig
+*.swp
+.deps
+/ChangeLog
+/INSTALL
 /aclocal.m4
+/autom4te.cache
 /compile
+/config.*
 /configure
 /depcomp
+/doc/sample-config.tar.gz
+/doc/texinfo.tex
+/doc/tinc.info
 /install-sh
 /missing
-INSTALL
-.deps
-stamp-h1
 /src/device.c
+/src/tincd
+/src/version-git.h
+/stamp-h1
+/test-driver
+Makefile
+Makefile.in
+core
+core.*