Add plugin loader script for antigen, oh-my-zsh et al

Author: unixorn

sysadmin-util.plugin.zsh

@@ -0,0 +1,8 @@
+#
+# This makes the sysadmin-utils more easily used with antigen,
+# oh-my-zsh, and any other framework that understands their
+# plugin structure.
+#
+# Add our plugin's root diretory to user's path
+PLUGIN_D="$(dirname $0)"
+export PATH=${PATH}:${PLUGIN_D}