Fix igxForOf not rendering data due to parentElement of a comment in IE11 being undefined.
Fix igxForOf not rendering data due to parentElement of a comment in IE11 being undefined.

simeonoff/zero-blocks,simeonoff/zero-blocks,simeonoff/zero-blocks,zdrawku/zero-blocks,zdrawku/zero-blocks,Infragistics/zero-blocks,Infragistics/zero-blocks,zdrawku/zero-blocks,Infragistics/zero-blocks