Display Ringing Time for Timer
timer-row.vala is modified to house a new Label denoting the time at which the timer will go off. The ring time is calculated and a signal is generated by timer-item.vala to initialize the ringtime label.
Fixes #134
timer-row.vala is modified to house a new Label denoting the time at which the timer will go off. The ring time is calculated and a signal is generated by timer-item.vala to initialize the ringtime label.
Fixes #134