[TASK] Basic controller fixture and test
Merge pull request #224 from NamelessCoder/duckandcover

[TASK] Cleanup and test coverage increase
[BUGFIX] Correctly mark abstract class as abstract
[FEATURE] Container, Section and Object for Form Component
[TASK] Move Container to Form Component
[TASK] Move Object to Form Component
[TASK] Move Section to Form Component
[TASK] Inject ConfigurationManager in AbstractFormComponent
[TASK] Improve building of Form configurations
[TASK] Improve base of Select FormComponent
[TASK] Use preparation methods for more configuration arrays
[TASK] Refine base of RelationFormField
[FEATURE] Tree FormComponent
[TASK] Move Tree to FormComponent