Update button styles to use -highlight modifier

Analog to core commit:
bd22b35395

Signed-off-by: Alex Coles <alex@alexbcoles.com>

app/views/my_projects_overviews/blocks/_members.html.erb

@@ -37,7 +37,7 @@ See doc/COPYRIGHT.md for more details.
         <%= link_to(l(:'project_page.all'), { :controller => 'my_projects_overviews',
                                               :action => 'show_all_members',
                                               :id => project.id },
-                                              :class => "all button_highlight" ) %>
+                                              :class => "all button -highlight" ) %>
       <% end %>
     </p>
   </div>

app/views/my_projects_overviews/blocks/_news_latest.html.erb

@@ -33,7 +33,7 @@ See doc/COPYRIGHT.md for more details.
                   {:controller => 'news',
                   :action => 'index',
                   :project_id => project},
-                  :class => 'button_highlight' %>
+                  :class => 'button -highlight' %>
     </p>
   </div>
 <% end %>

app/views/my_projects_overviews/blocks/_work_package_tracking.html.erb

@@ -36,12 +36,12 @@ See doc/COPYRIGHT.md for more details.
       <% end %>
     </ul>
     <p>
-      <%= link_to l(:label_work_package_view_all), {:controller => '/work_packages', :action => 'index', :project_id => project}, :class => 'button_highlight' %>
+      <%= link_to l(:label_work_package_view_all), {:controller => '/work_packages', :action => 'index', :project_id => project}, :class => 'button -highlight' %>
       <% if User.current.allowed_to?(:view_calendar, project, :global => true) %>
-        <%= link_to(l(:label_calendar), {:controller => '/work_packages/calendars', :action => 'index', :project_id => project}, :class => 'button_highlight') %>
+        <%= link_to(l(:label_calendar), {:controller => '/work_packages/calendars', :action => 'index', :project_id => project}, :class => 'button -highlight') %>
       <% end %>
       <% if User.current.allowed_to?(:view_gantt, project, :global => true) %>
-        <%= link_to(l(:label_gantt), {:controller => '/gantts', :action => 'show', :project_id => project}, :class => 'button_highlight') %>
+        <%= link_to(l(:label_gantt), {:controller => '/gantts', :action => 'show', :project_id => project}, :class => 'button -highlight') %>
       <% end %>
     </p>
   </div>

app/views/my_projects_overviews/blocks/_work_packages_assigned_to_me.html.erb

@@ -35,7 +35,7 @@ See doc/COPYRIGHT.md for more details.
   <p class="small">
     <%= link_to l(:label_work_package_view_all_assigned_to_me),
                   project_work_packages_assigned_to_me_path(@project),
-                  :class => 'button_highlight' %>
+                  :class => 'button -highlight' %>
   </p>
 <% end %>
 

app/views/my_projects_overviews/blocks/_work_packages_reported_by_me.html.erb

@@ -35,7 +35,7 @@ See doc/COPYRIGHT.md for more details.
   <p class="small">
     <%= link_to l(:label_work_package_view_all_reported_by_me),
                   project_work_packages_reported_by_me_path(@project),
-                  :class => 'button_highlight' %>
+                  :class => 'button -highlight' %>
   </p>
 <% end %>
 

app/views/my_projects_overviews/blocks/_work_packages_responsible_for.html.erb

@@ -35,7 +35,7 @@ See doc/COPYRIGHT.md for more details.
   <p class="small">
     <%= link_to l(:label_work_package_view_all_responsible_for),
                   project_work_packages_responsible_for_path(@project),
-                  :class => 'button_highlight' %>
+                  :class => 'button -highlight' %>
   </p>
 <% end %>
 

app/views/my_projects_overviews/blocks/_work_packages_watched.html.erb

@@ -32,6 +32,6 @@ See doc/COPYRIGHT.md for more details.
   <p class="small">
     <%= link_to l(:label_work_package_view_all_watched),
                   project_work_packages_watched_path(@project),
-                  :class => 'button_highlight' %>
+                  :class => 'button -highlight' %>
   </p>
 <% end %>