Some validators used to cause warnings or errors in case non-scalar array typed values being checked.
Indentation consistency fixes.
CHtml::activeInputField() and CHtml::activeTextField() is not intended to display array values.
Error messages related to array value case changed.
Merge pull request #2186 from resurtm/fixes-1955

Fixes #1955: Some validators used to cause warnings or errors in case non-scalar array typed values being checked.