Composer fixes
Fixes unit tests
CMS Render partial now supports not throwing an exception.
Components without default partials do not throw errors when used on the page, they simply fail gracefully.
Refs #383 - Set up basic models for logging
TraceLog -> EventLog
Cms\ErrorLog -> System\RequestLog
Set up some basic language keys
Make request and access log work
Add 'partial' type to list columns.
private -> protected
private -> protected
ru_lang
Make ApplicationException more friendly
Add more detailed error for saving cms objects.