Feature #19 implemented.
Fixed bug with hidden HtmlBlock input at default language 'auto'.
Fixed some warnings after previous commit.
Fixed errors layout page.
Fixed dispatcher 500 error handling at development mode.
Added dependency creation between widget and module.
CSS: By default only widgets inside main container has bg and border.
Fixed not found widgets in page layout editing.
Fixed package metadata update on edit.
Fixed: Standalone widget must have data field with widget_id.
Fixed exporting of widget that is related to some module.
Fixed some phpmd errors.
Fixed some app sync errors.
Changed phpcs variable validation, some code cleanups after that.
Added acl magic forwarding function.
Fixed some errors after last commits.
Fixed modal loading image on form save.
Added grid system.
All existing tables refactored using new Grid system.
Some path naming fixes.
Volt functions and filters implementation moved to view extension.
Improved Url helper.
Fixed languages collect function.
Refactored page layout icons - and added icon output to grid.
Some other minor fixes.