Problematic handling of comments

[nikosdimitrakas]

I have discovered two issues relating to the comments field.
The first one relates to the web services: the comments are not included in the result of mod_vpl_open.
The second one relates to the comments not being saved: If the student adds/edits comments under "</> Edit" after all the files have been added and saved, the comments are not saved. In order for the comments to be saved a file must be modified and saved. Obviously, the comments should be saved as soon as the student presses OK in the comments popup.

[jcrodriguez-dis]

The commit f09b366, included in VPL 4.2.0, addresses the second issue. The first one will be resolved in future releases.