Pin minitest to 4.7.0.

We're not compatible with 5.
Remove Hoptoad failure and deprecate config on Airbrake.

Hoptoad doesn't exist, so nobody can actually use it.

Now that we don't have two Thoughtbot backends, just make it one class.

The config was global, which is dumb.
Make #count and #configure class methods instead.

We accidentally regressed in the last commit.
remove accidentally comitted files
Merge pull request #1016 from j-wilkins/cleanup

remove accidentally comitted files
Ignore SystemExit exception in the child when run_at_exit_hooks is set to true
Added tests for 7f8dc1b
Added exception handling to control redis reconnecting
Refactor child exit process so now it ignores SystemExit Exception
Refactor for clearness
Refactor the failing job notifying
Added tests for exceptions to ensure they don't unregister parent
Fix link inside 1.x readme (replace defunkt by resque)
Merge pull request #1022 from noplay/fix_link_readme_1x

Fix link inside 1.x readme (replace defunkt by resque)
Merge pull request #1017 from magec/bugfix/avoid_deregistering_when_running_at_exit_hooks

Bugfix/avoid deregistering when running at exit hooks
Refactor to use a block in fork
Revert e4a845fad2d13943ca42b47a0d4554d24b700d80 according to https://github.com/resque/resque/pull/1032
Avoid unregister when exiting from children and run_at_exit_hooks == true
Identation and trailing whitespace
Merge pull request #1032 from magec/bugfix/children_not_exiting

Refactor to use a block in fork