Reducing number of variables.
Adding working toggle for the row for inline adding of issues, for issue:78.
Still to change the remaining time field so it uses a TextField for input and not a dropdown.
Adding image for toggling the row for quick adding milestones
Complete the toggle for adding inline issue for Issue:78. Time remaining field now is a TextField. Still displays 0h as default and not blank.
Adding DurationTextField class and DurationConverter classes.
DurationTextField uses the DurationConverter to convert string input into a Duration object for the model.