small fixes
WIP on context mens
WIP on context menu
connect 'move task' functionality again
WIP. Allow changing estimates after first estimate for the day has been
done.
WIP. Create a task form as preparation for a task split dialog.
Implement task split.
add new task dialog
Tweak UI constants.
bump sprint id
Merge remote-tracking branch 'origin/master'
small fixes
add new task dialog
Tweak UI constants.
bump sprint id
Make the sprint id part of local configuration instead of tracked 
sources.
Fix tasks where the only report is a forward of todays date.
Fix issue 'Cursor moves after entering edit box, de-selecting contents'.
Limit availability table updates to only the changed cells.
Add totals for columns and rows of the availability table.