Aligned calendar title, occupy whole available width and set height in rows.
Added comment on .set-icon-font LESS mixin considering vertical-align fix from f2298fe1e01ed34140ff886e92824a1c91136246.
Highlight and animate selected day and today in calendar.
Leave date label visible when calendar is open. Moved clear date button from calendar navigation to date label.
Decrease font size and height of calendar navigation.
Hide list label and description field in task editor when calendar is open.