GRN2-224: Added event logs and production caching (#739)

* Added event logs and production caching

* Added Support: before logs for easy identification

* Added more Support for log errors

* Reverted change to assets precompile check

* Added vendor assets to precompile list

* Travis fix

config/environments/production.rb

@@ -6,6 +6,14 @@ Rails.application.configure do
   # Code is not reloaded between requests.
   config.cache_classes = true
 
+  # Cache controller code
+  config.action_controller.perform_caching = true
+
+  config.cache_store = :memory_store
+  config.public_file_server.headers = {
+    'Cache-Control' => "public, max-age=#{1.years.to_i}"
+  }
+
   # Eager load code on boot. This eager loads most of Rails and
   # your application in memory, allowing both threaded web servers
   # and those relying on copy on write to perform better.
@@ -29,7 +37,7 @@ Rails.application.configure do
   # config.assets.css_compressor = :sass
 
   # Do not fallback to assets pipeline if a precompiled asset is missed.
-  config.assets.compile = true
+  config.assets.compile = false
 
   # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb