Replaced misspelled method hard_backout_exists_on_date in 4 files
Changed instance variable names from @black_out to @blackout in BlackOutsController
Changed @black_out to @blackout in views and other files
Changed another method in several files
Standardized blackout throughout app including database tables, controller name, model name, view names etc.
fixed merge conflict, opted to leave failing test in, not sure if it should be working at some point