Updated delayed_job configs
Removed delay job from each
Updated testing VHS cassettes for default sunspot settings
Removed active reindexing from after_save in the models and updated the README and wiki to explain why
Removed delayed_job from entire application since we're not using it anymore
Merge pull request #26 from NYULibraries/chore/dalli-delayed_job-bootstrap3-updates

Updated delayed_job configs