Hangfire.Core 1.6.0

http://hangfire.io/blog/ 1.6.0 • Added – .NET Core support for Hangfire.Core and Hangfire.SqlServer packages (`netstandard1.3` target). • Added – Ability to create jobs based on async methods, they are awaited by a worker (by @tuespetre). • Added – Access to background job context from the `JobActivator.BeginScope` method. • Added – Add LatencyTimeoutAttribute To delete jobs if timeout is exceeded (by @Excommunicated). • Added – Ability to change statistics polling interval in dashboard (by @tristal). • Added – Non-blocking `BackgroundJobServer.SendStop` method, that requests for a shutdown. • Added – `BackgroundJobServerOptions.ServerName` option is back. • Added – `IDashboardAuthorizationFilter` interface that makes `IAuthorizationFilter` obsolete. • Added – Show background job continuations on Job Details page. • Added – Multilanguage support in Dashboard via resource files (by @Elph). • Added – Spanish localization for the Dashboard UI (by @Elph). • Added – Enable backtracking from background job to recurrent job (by @teodimache). • Added – Cron expressions for regular intervals for the `Cron` class (by @geirsagberg). • Added – `IRecurringJobManager` interface for the `RecurringJobManager` class (by @arnoldasgudas). • Added – Abstractions for Dashboard UI to decouple it from OWIN. • Changed – Make the realtime/history graph to use localized dates on hover (by @Elph). • Changed – Make graph tooltip also localized using data-attributes (by @Elph). • Changed – Dashboard metric's title now contains the ResourceKey instead the title (by @Elph). • Changed – Job Details page was redesigned to be more clean with less colors. • Changed – Update jQuery to 2.1.4 and rickshaw.js to 1.5.1. • Changed – Update NCrontab to 3.1.0. • Changed – Update CronExpressionDescriptor to 1.17. • Fixed – `ToGenericTypeString` method now supports nested classes (by @patrykpiotrmarek). • Fixed – Dashboard Errors in Chrome and IE - Cannot read property 'removeChild' of null. • Fixed – /hangfire/js outputs (unintended) UTF-8 BOM.