move xlib and gtk plugins into the main tree from graphviz-cairo

diff --git a/plugin/gtk/.cvsignore b/plugin/gtk/.cvsignore
new file mode 100644 (file)
index 0000000..9fb9857
--- /dev/null
+++ b/plugin/gtk/.cvsignore
@@ -0,0 +1,6 @@
+*.la
+*.lo
+.deps
+.libs
+Makefile
+Makefile.in