Update for Markdown API change in GitBucket 4.30.0

Author: takezoe

Diff for: README.md

@@ -4,6 +4,7 @@ This plug-in provides notifications feature on GitBucket.
 
 Plugin version | GitBucket version
 :--------------|:--------------------
+1.7.x          | 4.30.x
 1.6.x          | 4.26.x
 1.5.x          | 4.23.x - 4.25.x
 1.4.x          | 4.19.x - 4.22.x

Diff for: build.sbt

@@ -1,5 +1,5 @@
 name := "gitbucket-notifications-plugin"
 organization := "io.github.gitbucket"
-version := "1.6.0"
-scalaVersion := "2.12.6"
-gitbucketVersion := "4.26.0"
+version := "1.7.0"
+scalaVersion := "2.12.7"
+gitbucketVersion := "4.30.0-SNAPSHOT"

Diff for: project/build.properties

@@ -1 +1 @@
-sbt.version=1.1.6
+sbt.version=1.2.6

Diff for: src/main/scala/gitbucket/notifications/service/NotificationsHook.scala

@@ -132,6 +132,7 @@ class IssueHook extends gitbucket.core.plugin.IssueHook
     Markdown.toHtml(
       markdown         = markdown,
       repository       = r,
+      branch           = r.repository.defaultBranch,
       enableWikiLink   = false,
       enableRefsLink   = true,
       enableAnchor     = false,