stop flapper breaking everything if not on the network
partially there
fixes 623 - historical check state purging by days
Merge branch '626_check_freshness_metrics' into 623_purger
optimise, is hugely much faster now
bump dockerfile to 1.0
fix Dockerfile
Merge branch 'master' into 623_purger
Flapjack command for httpchecker check engine
sms via twilio working, fixes #632
sms via twilio working, fixes #632
i love encoding mismatches
improve sanity of specs
fix specs
add sms_twilio to example config
Merge pull request #633 from flapjack/632_twilio_sms_sending

twilio sms sending
Merge pull request #631 from michaelneale/httpchecker_command

Flapjack command for httpchecker check engine
Merge branch 'master' into 623_purger
change puts to logger in purge method
set key expiry properly for scheduled maintenance spanning current time