correct getHtmlAttrValue to honor showempty (refs #3827)
correct number record in arrays to non signifiant delete zeros
correct format and showempty for somes html format attributes (refs #3827)
add getHtmlValue tests (refs #3827)
adjust report test because no more unsignificative zeros (refs #3827)
Merge pull request #797 from Eric-Brison/3.2-I3827

3.2 i3827 getHtmlValue Testing (closes #3827)
move Param constants as class constants
new style management (refs #3680)