Tests for repeatAt
this.attrs.nextRunAt is calculated based off the repeatAt property
Documentation
Careful to not run the job repeatedly at that exact minute
Merge pull request #81 from nwkeeley/feature/job-repeatAt

Feature/job repeat at
add example project structure
Release 0.6.17
Fixed complete event being emitted before asynchronous jobs are finished
Fixed issue where jobs would continue being processed after agenda is explicitly stopped
Implemented job.isRunning()
Adjustment to use _processInterval instead of _stopped
Merge pull request #87 from snez/master

2 bugfixes
Release 0.6.18
clean up computeNextRunAt
Create database indexes when initializing Agenda instance
remove agenda-test.js file
add more timeout to jobs for travis
Release 0.6.19