Add clock and calendar icons for duration and finished at; add finished at section in pipelines

app/views/projects/ci/builds/_build.html.haml

@@ -57,10 +57,12 @@
 
   %td.duration
     - if build.duration
+      = icon("clock-o")
       #{duration_in_words(build.finished_at, build.started_at)}
 
   %td.timestamp
     - if build.finished_at
+      = icon("calendar")
       %span #{time_ago_with_tooltip(build.finished_at)}
 
   - if defined?(coverage) && coverage

app/views/projects/ci/pipelines/_pipeline.html.haml

@@ -45,7 +45,12 @@
   %td
     - if pipeline.started_at && pipeline.finished_at
       %p.duration
+      = icon("clock-o")
         = duration_in_numbers(pipeline.finished_at, pipeline.started_at)
+    - if pipeline.finished_at
+      %p.duration
+        = icon("calendar")
+        #{time_ago_with_tooltip(pipeline.finished_at)}
 
   %td
     .controls.hidden-xs.pull-right

app/views/projects/generic_commit_statuses/_generic_commit_status.html.haml

@@ -50,10 +50,12 @@
 
   %td.duration
     - if generic_commit_status.duration
+      = icon("clock-o")
       #{duration_in_words(generic_commit_status.finished_at, generic_commit_status.started_at)}
 
   %td.timestamp
     - if generic_commit_status.finished_at
+      = icon("calendar")
       %span #{time_ago_with_tooltip(generic_commit_status.finished_at)}
 
   - if defined?(coverage) && coverage