[Integrated] RFR: Implement basic support for the Jira issue tracker

[duke]

Changeset: 59f04e41
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2019-10-03 12:44:31 +0000
URL:       https://git.openjdk.java.net/skara/commit/59f04e41

Implement basic support for the Jira issue tracker

Reviewed-by: ehelin

! bot/src/main/java/org/openjdk/skara/bot/BotRunnerConfiguration.java
! host/src/main/java/org/openjdk/skara/host/HostFactory.java
! host/src/main/java/org/openjdk/skara/host/HostUserDetails.java
+ host/src/main/java/org/openjdk/skara/host/jira/JiraHost.java
+ host/src/main/java/org/openjdk/skara/host/jira/JiraIssue.java
+ host/src/main/java/org/openjdk/skara/host/jira/JiraProject.java