Add assets precompile step for fixing activities lost and some UI style issues

doc/update/5.1-to-5.2.md

@@ -42,6 +42,8 @@ sudo -u git -H bundle install --without development test postgres --deployment
 sudo -u git -H bundle install --without development test mysql --deployment
 sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production
+
+sudo -u git -H bundle exec rake assets:precompile RAILS_ENV=production
 ```
 ### 5. Update config files

doc/update/5.2-to-5.3.md

@@ -34,6 +34,8 @@ sudo -u git -H bundle install --without development test postgres --deployment
 sudo -u git -H bundle install --without development test mysql --deployment
 sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production
+
+sudo -u git -H bundle exec rake assets:precompile RAILS_ENV=production
 ```
 ### 4. Update config files

doc/update/5.3-to-5.4.md

@@ -34,6 +34,8 @@ sudo -u git -H bundle install --without development test postgres --deployment
 sudo -u git -H bundle install --without development test mysql --deployment
 sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production
+
+sudo -u git -H bundle exec rake assets:precompile RAILS_ENV=production
 ```
 ### 4. Update config files