add custom validator option to integer, float and date editors
add custom validator option to integer, float and date editors

cheminfo/SlickGrid,yamass/SlickGrid,yamass/SlickGrid,RobertoMalatesta/SlickGrid,6pac/SlickGrid,RobertoMalatesta/SlickGrid,cheminfo/SlickGrid,gbark/SlickGrid,6pac/SlickGrid,cheminfo/SlickGrid,jesenko/SlickGrid,jesenko/SlickGrid