fix formatting of debug logging
Allow site-specific ERB templates for messages.
Added examples of the alert erb templates to the flapjack_config.yaml example file and fixed some syntax.
Merge pull request #443 from jswoods/allow_site_specific_erb_templates_for_messages

Allow site-specific ERB templates for messages.
change ack via counter to ack via event id hash, WIP
less hashing, a bit more storage
downcase check ACKIDs
change 2.1.0 to 2.1.1 in travis build
bump gem to fix 2.1.1 build with perftools
Merge pull request #448 from flpjck/446_fix_ackid_usage

Fix ACKID usage issues
Merge branch 'master' of github.com:flpjck/flapjack
bump flapjack version, set flapjack-nsca-receiver as executable
[event_tags] added "tags" (array of strings) to event hash
[all_entities] allow contacts to be associated with a common entity "ALL"
Merge pull request #453 from portertech/event_tags

Added "tags" (array of strings) to event hash
Merge pull request #454 from portertech/all_entities

Allow contacts to be associated with a common entity "ALL"
prepare 0.8.7 release
Makes flapjack-populator die with a helpful error when -f is not provided; removes reliance on `file = ...` hoisting.
Collapses repeated bailing-with-usage calls to a proc.
Support arbitrary gateways. Source all queue configuration from the config.