added my cleanup script and modified management module
fixed my whitespace mistake

fixed whitespace in my version of the cleanup routine in the management
/lib/module
added debug messages to management cleanup routine

also changed bin/edurange-cleanup back to the old cleanup script, since
i realized the management cleanup routine plugs into ecli
added some dangling debug messages

added a subnet deletion rescue clause in case we get the dependency
error again
added backtrace

to the subnet deletion rescue clause in the cleanup script
removed syntax errors

cleanup script in management needed some do block’s
Merge pull request #6 from clampz/master

Merge in David's cleanup script update