Merge pull request #8 from Work4Labs/jrouge/SYS-796/ES_nagios_checks

SYS-796: checkpoint
Merge pull request #9 from Work4Labs/jrouge/WFU-5000/Nagios_check_on_crashed_delayed_tasks

jrouge/WFU-5000/Nagios_check_on_crashed_delayed_tasks
jrouge/WFU-5442/Create_a_Nagios_check_on_delayed_tasks
WFU-5442: cosmetic
Merge pull request #10 from Work4Labs/jrouge/WFU-5442/Create_a_Nagios_check_on_delayed_tasks

jrouge/WFU-5442/Create_a_Nagios_check_on_delayed_tasks
Merge branch 'staging'