Time picker added to date picker,
progress bar added when files are being uploaded,
attachments can be deleted from existing Log entries.
First working version of pasting files from clipboard working in Firefox.
Firefox paste functionality is implemented with the rest of uploading functionalities. Drag&drop and pasting from clipboard is now also working when modifying Log entry.
BUG repaired - sometimes when user deselected filter, it stayed selected in the background
BUG repaired - if filters were selected prior to modifying a Log entry, selected filters were appended to the Log own filters