Fix navigation icons

app/views/layouts/_nav_admin.html.haml

@@ -5,7 +5,7 @@
       Projects
   = nav_link path: 'events' do
     = link_to admin_events_path do
-      %i.icon-bar-chart
+      %i.icon-book
       Events
   = nav_link path: 'runners#index' do
     = link_to admin_runners_path do

app/views/layouts/_nav_project.html.haml

@@ -22,7 +22,7 @@
       Web Hooks
   = nav_link path: 'services#index' do
     = link_to project_services_path(@project) do
-      %i.icon-gear
+      %i.icon-share
       Services
   = nav_link path: 'events#index' do
     = link_to project_events_path(@project) do