Statusbar: Time and Date actions

Clicking on the Time will open the alarm

Clicking on the Date will open the calendar

...I feel that this is more functional than chaning the time...

Inspired from cm

Source - https://gerrit.omnirom.org/#/c/2292/ (Patchset 2)

Change-Id: I1ab72ec06fe111cac9ea16d21cd73b78580329ea