Merge pull request #13 from stdweird/master

fix typo in shebang
Ported to script_tools and SimpleNagios for reporting.
Version bump
Use dashes not underscores in option names
Move to SimpleNagios
Oops. Should be critical instead of epilogue_critical
Missing variable for default threshold
Constants for warning and critical thresholds
Smal bugfix for the VO notification (which is not happening yet)
Bugfix: reference to self
Typo
Put constants in variables
Merge pull request #14 from itkovian/nagios_prologue

Nagios prologue
Mail for users exceeding quota
Version bump. Dependencies bump.
Mail for all users, not just vsc40002
String concatenation.
Mail for VO moderators
Cleanup
dry-run support when sending mails