added a nagios check handler for sqlite
added an __init__.py file for direct import
improved sqlite handler nagios
WFU-3839 add has_enough data parameter to nagios
WFU-3839 add aggregation
WFU-3839 better handling of the has_enough_data attribute
master small modif syntax,use of dict comprenhension instead of list comprehension
removed sqlite nagios check and doing pull request for olefloch
WFU-3989 if not has_enough_data then status is OK
Merge branch 'master' into vmeyet/WFU-3989/not_enough_data_is_ok