Add initial code
Fix models for J3.0 compatibility
Fix views for J3.0 compatibility
Fix controllers for J3.0 compatibility
Update the manifest description
Fix PHP Strict Warnings
Fix content default template for J3 compatibility
Fix categories model for J3 compatibility
Fix Delete view, undefined variable
Fix Controllers for J3 compatibility
Fix J3.2 compatibility for all controllers
Update file headers
Fix indentation and line ends
Add missed encapsulation
Fix language terms
Fix the submenu list for categories
Fix Strict Warnings and J3.2 compatibility
Fix submenu list for content
Add a missed import statement for JControllerForm
Fix code style