[Integrated] RFR: Issue tracker support

[duke]

Changeset: 85a94b6b
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2019-10-01 10:31:25 +0000
URL:       https://git.openjdk.java.net/skara/commit/85a94b6b

Issue tracker support

Reviewed-by: ehelin

! bots/pr/src/main/java/org/openjdk/skara/bots/pr/PullRequestInstance.java
! host/src/main/java/org/openjdk/skara/host/Host.java
! host/src/main/java/org/openjdk/skara/host/HostedRepository.java
+ host/src/main/java/org/openjdk/skara/host/Issue.java
+ host/src/main/java/org/openjdk/skara/host/IssueProject.java
! host/src/main/java/org/openjdk/skara/host/PullRequest.java
! host/src/main/java/org/openjdk/skara/host/github/GitHubHost.java
! host/src/main/java/org/openjdk/skara/host/github/GitHubPullRequest.java
! host/src/main/java/org/openjdk/skara/host/github/GitHubRepository.java
! host/src/main/java/org/openjdk/skara/host/gitlab/GitLabHost.java
! host/src/main/java/org/openjdk/skara/host/gitlab/GitLabMergeRequest.java
! host/src/main/java/org/openjdk/skara/host/gitlab/GitLabRepository.java
! test/src/main/java/org/openjdk/skara/test/HostCredentials.java
+ test/src/main/java/org/openjdk/skara/test/IssueData.java
+ test/src/main/java/org/openjdk/skara/test/PullRequestData.java
! test/src/main/java/org/openjdk/skara/test/TestHost.java
! test/src/main/java/org/openjdk/skara/test/TestHostedRepository.java
+ test/src/main/java/org/openjdk/skara/test/TestIssue.java
+ test/src/main/java/org/openjdk/skara/test/TestIssueProject.java
! test/src/main/java/org/openjdk/skara/test/TestPullRequest.java