Added default crud actions
Reworked bbcode component
Reworked formatters
Updated mail templates
Updated assets .gitignore
Updated web folder
Updated models
Removed modules folder
Updated widgets
Added rules
Removed upload (moved to web/upload)
Updated AppAsset
Added commentable behavior
Updated ImageFileBehavior and UploadableBehavior
Updated CronTaskController
Renaming CrudController
Updated basic app controllers
Updated views
Updated Mailer component
Updated app controllers