Move policycoreutils/semodule_{deps,expand,link} to semodule-utils.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
diff --git a/semodule-utils/.gitignore b/semodule-utils/.gitignore
new file mode 100644
index 0000000..d516ccf
--- /dev/null
+++ b/semodule-utils/.gitignore
@@ -0,0 +1,3 @@
+semodule_deps/semodule_deps
+semodule_expand/semodule_expand
+semodule_link/semodule_link