Improve code style
Fix whitespace for xml and standardise index.html
Fix coding-standard according Joomla's standard

Conflicts:
	src/admin/controller.php
	src/admin/controllers/categories.php
	src/admin/controllers/content.php
	src/admin/controllers/delete.php
	src/admin/helpers/oscontent.php
	src/admin/models/categories.php
	src/admin/models/content.php
	src/admin/models/delete.php
	src/admin/models/model.php
	src/admin/oscontent.php
	src/admin/tables/categories.php
	src/admin/tables/content.php
	src/admin/views/categories/tmpl/default.php
	src/admin/views/categories/view.html.php
	src/admin/views/content/tmpl/default.php
	src/admin/views/content/view.html.php
	src/admin/views/delete/tmpl/default.php
	src/admin/views/delete/view.html.php
	src/admin/views/view.php
Remove missed php close tag
Fix controller call
Add profiler mark if debug is enabled
Fix menu link
Fix code style
Fix menu creating for categories and content
Fix messages for content controller
Add missed line