Fix for config loader in FormHelper
Code cleanup and improvemnt for overriding standard widgets
Statement removed
Widgets config loader reworked with tests
Fix for CakePHP code standards
Consolidate BR tags.
Merge pull request #5201 from cakephp/3.0-br

Consolidate BR tags.
Merge pull request #5164 from TamiasSibiricus/widget-config-fix

3.x Fix for config loader in FormHelper And WidgetRegistry
Make tests simpler.

Use fewer mocks and still get the same/better coverage.
Merge branch '3.0' of https://github.com/cakephp/cakephp into 3.0