Restructure repository, removing old stuff

roles/packages/defaults/main.yml

@@ -0,0 +1,14 @@
+---
+# Role parameter documentation
+#
+# omni_pkg_repos - whether to install/enable additional repositories
+# omni_pkg_bindings - whether to install required ansible bindings to the system python
+# omni_pkg_update - whether to perform a package update
+# onni_pkg_clean - whether to force clean the package manager cache
+# omni_pkg_exclude - packages to exclude from an update; has no effect if
+#                    ``omni_pkg_update`` is false
+omni_pkg_repos: true
+omni_pkg_bindings: true
+omni_pkg_update: false
+omni_pkg_clean: false
+omni_pkg_exclude: ["kernel*"]