Merge pull request #51 from bwthomas/fix_error_on_private_method_call

RetryJobs#retry_attempts_from is presently a private method
Fix private method call
Merge pull request #49 from dlackty/fix-private-method-call

Fix private method call `retry_attempts_from`
Add Travis CI config
Merge pull request #53 from dlackty/fix-travis-ci

Add Travis CI config
bump sidekiq dependency to >= 2.14.0 and remove slim dependency
remove old test hack and fix tests after change in celluloid
escape exception info when outputing to html (closes #52)
extract reset failures logic into own method (closes #44)
added Sidekiq::Failures.count as a way to get the number of currently failures (closes #46)
adhere to sidekiq standard of using utc times and use it's relative time helper
add new helpers to readme
bump to 0.3.0 and update changelog
Fix typo in CHANGELOG.md.
Merge pull request #59 from rjackson/patch-1

Fix typo in CHANGELOG.md.