added dialog for crontab configure
added dialog for crontab configure

crashr42/pinboard,intaro/pinboard,AlexeyKupershtokh/pinboard,AlexeyKupershtokh/pinboard,AlexeyKupershtokh/pinboard,mehulsbhatt/pinboard,crashr42/pinboard,mehulsbhatt/pinboard,mehulsbhatt/pinboard,crashr42/pinboard,intaro/pinboard,intaro/pinboard