Wrap interpolated shell commands in shellquote()

Fixes #24
Merge pull request #25 from huit/24_shellquote_execs

Wrap interpolated shell commands in shellquote() - Thanks guys!
Corrected shellquote syntax
Corrected shellquote syntax
Corrected shellquote syntax
Update loadbalanceconf.pp

puppet 3.3.1 fails with error "(erb):1: formal argument cannot be an instance variable". It works OK when using just ipaserver. Thank you!
Merge pull request #26 from rginev/patch-1

Update loadbalanceconf.pp - Thank you
Removed unnecessary use of dspw in replicaprepare define
Merge branch 'master' of https://github.com/huit/puppet-ipa
Removing puppetrunin1min
Added ipa-python to cleanup
Breaking out admin user configuration
Corrected title
Added conditional to check for the admin homedir/uid before trying to add a host
Correcting shellquote syntax
Correcting shellquote syntax
Updating ipa_replicascheme fact
shellquote is a pita
shellquote does not handle shell redirection well
Removing puppetrunin1min