Make it possible to move issue if user is a reporter

Discussed it here:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2831#note_4190228

app/models/ability.rb

@@ -223,7 +223,6 @@ class Ability
         :admin_project,
         :admin_commit_status,
         :admin_build,
-        :move_issue
       ]
     end

app/services/issues/move_service.rb

@@ -39,8 +39,8 @@ module Issues
     private
     def can_move?
-      can?(@current_user, :move_issue, @project_old) &&
-        can?(@current_user, :move_issue, @project_new)
+      can?(@current_user, :admin_issue, @project_old) &&
+        can?(@current_user, :admin_issue, @project_new)
     end
     def open_new_issue

app/views/shared/issuable/_form.html.haml

@@ -67,7 +67,7 @@
       - if can? current_user, :admin_label, issuable.project
         = link_to 'Create new label', new_namespace_project_label_path(issuable.project.namespace, issuable.project), target: :blank
-- if issuable.is_a?(Issue) && can?(current_user, :move_issue, issuable.project)
+- if issuable.is_a?(Issue) && can?(current_user, :admin_issue, issuable.project)
   %hr
     .form-group
       = f.label :move_to_project_id, 'Move', class: 'control-label'

spec/services/issues/move_service_spec.rb

@@ -24,8 +24,8 @@ describe Issues::MoveService, services: true do
   shared_context 'user can move issue' do
     before do
-      old_project.team << [user, :master]
-      new_project.team << [user, :master]
+      old_project.team << [user, :reporter]
+      new_project.team << [user, :reporter]
     end
   end
     
@@ -186,25 +186,25 @@ describe Issues::MoveService, services: true do
     describe '#move?' do
       subject { move_service.move? }
-      context 'user is master in both projects' do
+      context 'user is reporter in both projects' do
         include_context 'user can move issue'
         it { is_expected.to be_truthy }
       end
-      context 'user is master only in new project' do
-        before { new_project.team << [user, :master] }
+      context 'user is reporter only in new project' do
+        before { new_project.team << [user, :reporter] }
         it { is_expected.to be_falsey }
       end
-      context 'user is master only in old project' do
-        before { old_project.team << [user, :master] }
+      context 'user is reporter only in old project' do
+        before { old_project.team << [user, :reporter] }
         it { is_expected.to be_falsey }
       end
-      context 'user is master in one project and developer in another' do
+      context 'user is reporter in one project and guest in another' do
         before do
-          new_project.team << [user, :developer]
-          old_project.team << [user, :master]
+          new_project.team << [user, :guest]
+          old_project.team << [user, :reporter]
         end
         it { is_expected.to be_falsey }