Added notice when there are some failed projects. This required some refactorings and fixes, that are also included in this commit.

app/views/statistics/vulnerability.scala.html

@@ -1,16 +1,19 @@
+@import com.ysoft.odc.statistics.FailedProjects
 @(
     projectsWithSelection: ProjectsWithSelection,
     vulnerability: Vulnerability,
     affectedProjects: Map[ReportInfo, Set[GroupedDependency]],
     vulnerableDependencies: Set[GroupedDependency],
     affectedLibraries: Set[PlainLibraryIdentifier],
-    issueOption: Option[(ExportedVulnerability[String], String)]
+    issueOption: Option[(ExportedVulnerability[String], String)],
+    failedProjects: FailedProjects
 )(implicit header: DefaultRequest)
 @section = @{views.html.genericSection("vuln")("h2") _}
 @main(
     title = s"vulnerability ${vulnerability.name} for ${projectsWithSelection.projectNameText}",
     projectsOption = Some((projectsWithSelection, p => routes.Statistics.vulnerability(vulnerability.name, p)))
 ) {
+    @healthReport(failedProjects)
     @if(projectsWithSelection.isProjectSpecified){
         <div class="alert alert-warning">The vulnerability details are limited to some subset of projects.<br><a class="btn btn-default" href="@routes.Statistics.vulnerability(vulnerability.name, None)">Show it for all projects!</a></div>
     }