Add title html option to issue and mr links in milestones to show title on hover.

app/views/groups/milestones/_issue.html.haml

@@ -4,7 +4,7 @@
     %strong #{project.name} ·
     = link_to [project, issue] do
       %span.cgray ##{issue.iid}
-    = link_to_gfm issue.title, [project, issue]
+    = link_to_gfm issue.title, [project, issue], title: issue.title
   .pull-right.assignee-icon
     - if issue.assignee
       = image_tag avatar_icon(issue.assignee.email, 16), class: "avatar s16"

app/views/groups/milestones/_merge_request.html.haml

@@ -4,7 +4,7 @@
     %strong #{project.name} ·
     = link_to [project, merge_request] do
       %span.cgray ##{merge_request.iid}
-    = link_to_gfm merge_request.title, [project, merge_request]
+    = link_to_gfm merge_request.title, [project, merge_request], title: merge_request.title
   .pull-right.assignee-icon
     - if merge_request.assignee
       = image_tag avatar_icon(merge_request.assignee.email, 16), class: "avatar s16"

app/views/projects/milestones/_issue.html.haml

@@ -2,7 +2,7 @@
   %span.str-truncated
     = link_to [@project, issue] do
       %span.cgray ##{issue.iid}
-    = link_to_gfm issue.title, [@project, issue]
+    = link_to_gfm issue.title, [@project, issue], title: issue.title
   .pull-right.assignee-icon
     - if issue.assignee
       = image_tag avatar_icon(issue.assignee.email, 16), class: "avatar s16"

app/views/projects/milestones/_merge_request.html.haml

@@ -2,4 +2,4 @@
   %span.str-truncated
     = link_to [@project, merge_request] do
       %span.cgray ##{merge_request.iid}
-    = link_to_gfm truncate(merge_request.title, length: 60), [@project, merge_request]
+    = link_to_gfm merge_request.title, [@project, merge_request], title: merge_request.title