finish add job to all devices controller
corrections to job_index view
rename all devices map function
remove import from views, make set_job accept job class instead of job object, changed set_job call in set_default_jobs, correct summary_data function
made device_all_jobs_grouped function add summary data for each device and add device_all_devices view function
made construct_job use new job constructor
changed job_type to schedule when checking job properties
removed useless import of Exception