Reorgranised blade view files to form a convention

- Primarily moved and re-organised view files.
- Included readme within views to document the convention.
- Fixed some issues with page field select list in previous commit.
- Tweaked some route names while going through.
- Split some views out further.

Closes #2805

resources/views/common/activity-list.blade.php

@@ -0,0 +1,12 @@
+
+@if(count($activity) > 0)
+    <div class="activity-list">
+        @foreach($activity as $activityItem)
+            <div class="activity-list-item">
+                @include('common.activity-item', ['activity' => $activityItem])
+            </div>
+        @endforeach
+    </div>
+@else
+    <p class="text-muted empty-text">{{ trans('common.no_activity') }}</p>
+@endif