Do some general tidying up

Clean up some whitespace
Add comments
Remove storeconfigigs as a requirement
Merge pull request #1 from xaque208/tidy

Do some general tidying up
included motd to fix "Invalid relationship" error
Merge pull request #2 from fadenb/master

Include motd to avoid errors when motd is not already included somewhere else
Set munin to bind to all by default.
Add munin_listen_address.
Fix bad code.
Fix var name for listen_address.
I guess we need to name it munin_listen_address?
(maint) slight refactor

Rename a few paramaters to be shorter and easier to use.
Update variable names to use the new syntax.
Clean up configs.
Merge pull request #3 from puppetlabs-operations/refactor

(maint) slight refactor