created a sqlite handler for nagios
Added a main SQL Nagios Check class and inheriting from it for SQLite and MySQL
modified path for nagios sql import
removed useless __init__ in nagios mysql check
Indentation fixes nagios_check_sql
Merge pull request #4 from Work4Labs/nmalzieu/JOP-478/job_pipe_spider_queue

created a sqlite handler for nagios
adding minutes to timedelta_aware
Merge branch 'staging'