CodeStyle Isis; Closes #3797
CodeStyle
CodeStyle Hathor. Closes #3796
CodeStyle
Improve code quality
Merge pull request #3800 from wilsonge/patch-6

loadResult() doesn't take a parameter. Use `$this->_tbl` instead of hardcoded table name.
Merge branch 'staging' of https://github.com/joomla/joomla-cms into routing_unittests